How do you do 25 State the domain and range of each relation and whether it is a function.23.y24.25.26.yEvaluate each function for the given values. Express your answers in function notation.27. f(x) = x + 7 ifx = 0, -3, 828. g(x) 4x-2 ifx -9, 2, 630. g(x)-x+ 3x-9 ifx 4,-.29. h(x) =+ 5 ifx 2, 6, -4Graph each function.31. ((x, fx)) |Mx) = x- 2; x 0, 2, 4, 6}33. ((x, y) |y- 2x + 3;-3

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Answered: 25. | bartleby

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter8: Introduction To Functions

Section8.8: Linear And Quadratic Functions

Problem 4E

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Suppose you have a job that pays $8.50 per hour and you work anywhere from 10 to 40 hours per week. a. Write an equation, with a restriction on the variable x, that gives the amount of money, y, you will earn for working x hours in one week. b. Use the function rule you have written in part (a) to complete Table 4. c. Construct a line graph from the information in Table 4. d. State the domain and range of this function.
A bottle of medicine is to be stored at a temperature between 5 C and 10 C. What range does this correspond to on the Fahrenheit scale? Note: Fahrenheit F and Celsius C temperatures satisfy the relation C=59(F32).
The number of unread emails in Anthony’s account is 110. This number grows by 25 unread emails a day. The function N(t)=110+25t represents the relation between the number of emails, N, and the time, t, measured in days. (a) Determine the independent and dependent variable. (b) Find N(14) . Explain what this result means.
The number of unread emails in Bryan’s account is 100. This number grows by 15 unread emails a day. The function N(t)=100+15t represents the relation between the number of emails, N, and the time, t, measured in days. (a) Determine the independent and dependent variable. (b) Find N(7) . Explain what this result means.
Two students were playing the same game. The difference in points that each scored for the game can be modeled by the function y=5sinx+3sinxcosx after x seconds. Within the interval 0<x<6, when does the function have a value of -1? Group of answer choices 3.146 seconds 3.592 seconds 5.682 seconds 5.128 seconds
Student Loans Data for selected years from 2011and projected to 2023 can be used to show that thebalance of federal direct student loans y, in billions ofdollars, is related to the number of years after 2010,x, by the function y = 130.7x + 699.7.a. Graph the function for x-values corresponding2010 to 2025.b. Find the value of y when x is 13.c. What does this function predict the balance offederal direct student loans will be in 2029?(Source: U.S. Office of Management and Budget)
The number of unwatched shows in Timo's DVR is 62. This number grows by 12 unwatched shows per week. The function N(t)=62+12t represents the relation between the number of unwatched shows, N, and the time, t, measured in weeks. What is the independent and independent variable?
If we know the following facts: x is the number of years since DVD recorders have gone on the market. y is the average price of a DVD recorder. When x = 8, y is $200, y ¢ is –25, and y ¢ ¢= 4 Draw the quick sketch of the function y near x = 8,
The Mexican subsidiary of ThermoMaster manufactures an indoor-outdoor thermometer. Management estimates that the profit (in dollars) realizable by the company for the manufacture and sale of x units of thermometers each week is represented by the function below, where x ≥ 0. Find the interval where the profit function P is increasing and the interval where P is decreasing. P(x)=-.004x^2+10x-5000
Two students were playing the same game. The difference in points that each scored for the game can be modeled by the function y=5sinx+3sinxcosx. Within the interval 0<x<6, when is the difference in points the smallest? Group of answer choices 5.128 seconds 1.155 seconds 1.987 seconds 4.296 seconds
Q2:Suppose a curve passes through the points (0,-4), (0.6,-3.64), (1,-3) find the value of x when F(X)=Y=-3.5
An electric current can be represented by the function y=2cos(2π(x−0.02)), with time in x seconds. How many times does the current reach a value of 1 on the interval 0<x<5? Group of answer choices 12 6 8 10

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