Math

CalculusFinite Mathematics and Applied Calculus (MindTap Course List)Acquisition of Language The percentage q ( t ) ofchildren who can speak in sentences of five or more words by the age of t months can be approximated by the equation q ( t ) = 100 ( 1 − 5.27 × 10 17 t 12 ) ( t ≥ 30 ) . If p is the function referred to in the preceding exercise, Calculate lim x → + ∞ [ p ( t ) − q ( t ) ] , andinterpret the result. [ HINT: See Example 4.]BuyFind*arrow_forward*

7th Edition

Stefan Waner + 1 other

Publisher: Cengage Learning

ISBN: 9781337274203

Chapter 10.3, Problem 100E

Textbook Problem

**Acquisition of Language** The percentage
*t* months can be approximated by the equation

If *p* is the function referred to in the preceding exercise, Calculate
**HINT:** See Example 4.]

Expert Solution

To determine

**To calculate:** The value of

And the percentage of children who speak in at least single words at an age of

Also, interpret the answer.

**Given Information:**

The percentage of children who speak in sentences containing five or more words at an age of

And the percentage of children who speak in at least single words at an age of

**Formula used:**

Continuity of closed form function theorem:

Every function that is closed is continuous on its domain.

If

**Calculation:**

Consider the functions

Substitute the value in the limit

Finite Mathematics and Applied Calculus (MindTap Course List)

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In Exercises 6972 the graph of the derivative of a...Ch. 10.5 - In Exercises 6972 the graph of the derivative of a...Ch. 10.5 - In Exercises 73 and 74, use technology to graph...Ch. 10.5 - In Exercises 73 and 74, use technology to graph...Ch. 10.5 - In Exercises 75 and 76, use the method of Example...Ch. 10.5 - In Exercises 75 and 76, use the method of Example...Ch. 10.5 - Temperatures on Mars The air temperature one...Ch. 10.5 - Temperatures on Venus The air temperature one...Ch. 10.5 - Demand Suppose the demand for a new brand of...Ch. 10.5 - Demand Suppose the demand for an old brand of TV...Ch. 10.5 - Oil Imports from Mexico The following graph shows...Ch. 10.5 - Oil Production in Mexico The following graph shows...Ch. 10.5 - Prison Population The following curve is a model...Ch. 10.5 - Demand for Freon 12 The demand for...Ch. 10.5 - Velocity If a stone is dropped from a height of...Ch. 10.5 - Velocity If a stone is thrown down at 120 ft/s...Ch. 10.5 - Crude Oil Prices The price per barrel of crude oil...Ch. 10.5 - Median Home Prices The median home price in the...Ch. 10.5 - The 2003 SARS Outbreak In the early stages of the...Ch. 10.5 - The 2003 SARS Outbreak A few weeks into the SARS...Ch. 10.5 - The 2014 Ebola Outbreak In the first 6 months of...Ch. 10.5 - The 2014 Ebola Outbreak In the first 6 months of...Ch. 10.5 - Early Internet Services On January 1, 1996,...Ch. 10.5 - Early Internet Services On January 1, 1996,...Ch. 10.5 - Learning to Speak Let p(t) represent the...Ch. 10.5 - Learning to Read Let p(t) represent the percentage...Ch. 10.5 - Subprime Mortgages during the Housing Crisis (Com-...Ch. 10.5 - Subprime Mortgages during the Housing Crisis (Com-...Ch. 10.5 - Embryo Development The oxygen consumption of a...Ch. 10.5 - Embryo Development The oxygen consumption of a...Ch. 10.5 - The next two exercises are applications of...Ch. 10.5 - The next two exercises are applications of...Ch. 10.5 - In which, if any, of the following cases is f...Ch. 10.5 - In which, if any, of the following cases is f...Ch. 10.5 - Explain why we cannot put h=0 in the approximation...Ch. 10.5 - The balanced difference quotient...Ch. 10.5 - Let H(t) represent the number of Handbook members...Ch. 10.5 - Let F(t) represent the net earnings of Footbook,...Ch. 10.5 - It is now 8 months since the Garden City lacrosse...Ch. 10.5 - Having been soundly defeated in the national...Ch. 10.5 - Company As profits are given by P(0)=1 millionand...Ch. 10.5 - Company Cs profits are given by P(0)=1 millionand...Ch. 10.5 - During the 1-month period starting last January 1,...Ch. 10.5 - During the 1-month period starting last January 1,...Ch. 10.5 - If the derivative of f is zero at a point, what do...Ch. 10.5 - Sketch the graph of a function whose derivative...Ch. 10.5 - Sketch the graph of a function whose derivative...Ch. 10.5 - Sketch the graph of a function whose derivative is...Ch. 10.5 - Use the difference quotient to explain the fact...Ch. 10.5 - Give a numerical explanation of the fact that if f...Ch. 10.5 - Consider the following values of the function f...Ch. 10.5 - Consider the following values of the function g...Ch. 10.5 - Sketch the graph of a function whose derivative is...Ch. 10.5 - Sketch the graph of a function whose derivative is...Ch. 10.5 - Here is the graph of the derivative f ofa function...Ch. 10.5 - Here is the graph of the derivative f ofa function...Ch. 10.5 - Professor Talker of the physics department drove a...Ch. 10.5 - Professor Silent, another physics professor, drove...Ch. 10.5 - Draw the graph of a function f with the property...Ch. 10.5 - Draw the graph of a function f with the property...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 1-14, compute f(a) algebraically for...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 15-28, compute the derivative...Ch. 10.6 - In Exercises 29-38, compute the indicated...Ch. 10.6 - In Exercises 29-38, compute the indicated...Ch. 10.6 - In Exercises 29-38, compute the indicated...Ch. 10.6 - In Exercises 29-38, compute the indicated...Ch. 10.6 - In Exercises 29-38, compute the indicated...Ch. 10.6 - In Exercises 29-38, compute the indicated...Ch. 10.6 - In Exercises 29-38, compute the indicated...Ch. 10.6 - In Exercises 29-38, compute the indicated...Ch. 10.6 - In Exercises 29-38, compute the indicated...Ch. 10.6 - In Exercises 29-38, compute the indicated...Ch. 10.6 - In Exercises39-44, find the equation of the...Ch. 10.6 - In Exercises39-44, find the equation of the...Ch. 10.6 - In Exercises39-44, find the equation of the...Ch. 10.6 - In Exercises39-44, find the equation of the...Ch. 10.6 - In Exercises39-44, find the equation of the...Ch. 10.6 - In Exercises39-44, find the equation of the...Ch. 10.6 - Velocity If a stone is dropped from a height of...Ch. 10.6 - Velocity If a stone is dropped from a height of...Ch. 10.6 - Oil Imports from Mexico Daily crude oil imports to...Ch. 10.6 - Oil Imports from Mexico Daily crude oil production...Ch. 10.6 - Bottled Water Sales The following chart shows the...Ch. 10.6 - Bottled Water Sales The following chart shows...Ch. 10.6 - Ecology Increasing numbers of manatees have been...Ch. 10.6 - SAT Scores by Income The following graph shown...Ch. 10.6 - Television Advertising The cost, in thousands of...Ch. 10.6 - Television Advertising (Compare Exercises 53.) The...Ch. 10.6 - Of the three methods (numerical, graphical, and...Ch. 10.6 - Explain why we cannot put h=0 in the formula...Ch. 10.6 - You just got your derivatives test back, and you...Ch. 10.6 - Your friend just got his derivatives test back and...Ch. 10.6 - Your other friend just got her derivatives test...Ch. 10.6 - Your third friend just got her derivatives test...Ch. 10.6 - Your friend Muffy claims that, because the...Ch. 10.6 - Use the balanced difference quotient formula,...Ch. 10.6 - A certain function f has the property that f(a)...Ch. 10.6 - One cannot put h=0 in the formula...Ch. 10 - In Exercise 1-4, numerically estimate whether the...Ch. 10 - In Exercise 1-4, numerically estimate whether the...Ch. 10 - In Exercise 1-4, numerically estimate whether the...Ch. 10 - In Exercise 1-4, numerically estimate whether the...Ch. 10 - In Exercises 5 and 6 the graph of a function f is...Ch. 10 - In Exercises 5 and 6 the graph of a function f is...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 730, calculate the limit...Ch. 10 - In Exercises 31-34, find the average rate of...Ch. 10 - In Exercises 31-34, find the average rate of...Ch. 10 - In Exercises 31-34, find the average rate of...Ch. 10 - In Exercises 31-34, find the average rate of...Ch. 10 - In Exercise 35-38 you given the graph of a...Ch. 10 - In Exercise 35-38 you given the graph of a...Ch. 10 - In Exercise 35-38 you given the graph of a...Ch. 10 - In Exercise 35-38 you given the graph of a...Ch. 10 - Let f have the graph shown. Select the correct...Ch. 10 - Let f have the graph shown. Select the correct...Ch. 10 - In Exercises 4144, use the definition of the...Ch. 10 - In Exercises 4144, use the definition of the...Ch. 10 - In Exercises 4144, use the definition of the...Ch. 10 - In Exercises 4144, use the definition of the...Ch. 10 - In Exercises 4548, use technology to graph the...Ch. 10 - In Exercises 4548, use technology to graph the...Ch. 10 - In Exercises 4548, use technology to graph the...Ch. 10 - In Exercises 4548, use technology to graph the...Ch. 10 - Stock Investments OHaganBooks.com CEO John OHagan...Ch. 10 - Stock Investments John OHagans golf partner Juan...Ch. 10 - Real Estate Marjory Duffin has persuaded John...Ch. 10 - Advertising Costs OHaganBooks.com has (on further...Ch. 10 - Sales Since the start of July, OHaganBooks.com has...Ch. 10 - Rising Sea Level Marjory Duffin recently purchased...Ch. 10 - Real Estate The following graph (see Exercise 51)...Ch. 10 - Advertising Costs The following graph (see...Ch. 10 - Sales OHaganBooks.com fits the curve...Ch. 10 - Sea Levels Marjory Duffin fit the curve...Ch. 10 - Excluding subsidies, what should the annual...Ch. 10 - Excluding subsidies, what should the annual...Ch. 10 - What is the marginal emission charge (derivative...Ch. 10 - We said that the revised policy provided an...Ch. 10 - What change in C(q) wouldmake 8 million tons the...Ch. 10 - If the scenario in Exercise 5 took place, what...Ch. 10 - Because of intense lobbying by the utility...Ch. 10 - Suppose that instead of imposing a fixed charge...

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