8-13 c and d DividesSubtracVOnal ydoes to x:Auus T() WUuld 188R likë theone below.by 3What g1st2nd3rd4thdoes to x:SubtractsWhat f-1does to x:DividesAdds 1by 2What is the equation for f'(x)?What is the equation for g1(x)?8-11.Where does the graph of each function below intersect the x-axis?a. f(x) = (x+3)° – 5b. f(x) = (x – 74)° (x+29)8-13.Simplify eachexpression.a. (3+ 4i)+(7– 2i)b. (3+5i)c. (7+i)(7– i)d. (3i)(21)8-15.What are the roots (the solutions when y=0) of each of the following polynomial functions?b. f(x) = x² - 6x +9a. y = x² – 6x +8c. y = x° - 4x 1.X-аxis?b. f(x) = (x- 74)°(x +29)3.c. (7+i)(7-i)d. (3i)(2i)5.following polynomial functions?9.C. y = x° – 4x

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Description: 8-13 c and d DividesSubtracVOnal ydoes to x:Auus T() WUuld 188R likë theone below.by 3What g1st2nd3rd4thdoes to x:SubtractsWhat f-1does to x:DividesAdds 1by 2What is the equation for f'(x)?What is the equation for g1(x)?8-11.Where does the graph of e

simplify c)(7+i)(7-i) d)(3i)2i2

Answered: - (7+i)(7-i) d. (3i)(2i)

Math

Algebra

- (7+i)(7-i) d. (3i)(2i)

College Algebra

7th Edition

ISBN:9781305115545

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter2: Functions

Section: Chapter Questions

Problem 68E: Retirement Savings Ella is saving for her retirement by making regular deposits into a 401(k) plan....

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Near the surface of the moon, the distance that an object falls is a function of time. It is given by d(t)=2.6667t2 , where t is in seconds and d(t) is in feet. If an object is dropped from a certain height, find the average velocity of die object from t=1tot=2 .
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Use your schools library, the Internet, or some other reference source to find real-life applications of approximations of functions.
Retirement Savings Ella is saving for her retirement by making regular deposits into a 401(k) plan. As her salary rises, she finds that she can deposit increasing amounts each year. Between 1995 and 2008 the annual amount (in dollars) that she deposited was given by the function. D(t)=3500+15t2 , where t represents the year of the deposit measured from the start of the plan (so 1995 corresponds to t=0 , 1996 corresponds to t=1 , and so on). (a) Find D(0) and D(15) . What do these values represent? (b) Assuming that her deposits continue to be modeled by the function D, in what year will she deposit $17,000? (c) Find the average rate of change of D between t=0 and t=15 . What does this number represent?
The number of bacteria in a refrigerated food product is given by N(T)=23T256T+1,3T33 ,where T is the temperature of the food. When the food is removed from the refrigerator, the temperature is given by T(t)=5t+1.5 , where t is the time in hours. a. Find the composite function N(T(t)) . b. Find the time (round to two decimal places) when the bacteria count reaches 6,752.
Repeat the previous exercise to find the formula forthe APY of an account that compounds daily. Usethe results from this and the previous exercise todevelop a function I(n)for the APY of any accountthat compounds n times per year.