PLEASE I NEED HELP WITH MY ASSIGNMENT

2. Are the following functions? A. B. C. 3. Is temperature in Celsius a function of temperature in Fahrenheit? 4. Is postage a function of weight of a letter? 5. Is starting salary a function of years of schooling? 6. Is 3x + 5y = 12 a function? 7. Is x2 + 2y? = 24 a function? 8. Is x + |yl= 6 a function? Evaluate the following functions. 9. Given F(x) = 5x3 - 8x + 1, find A. F(-2) B. F(4)5. The rate at which an animal's heart beats varies with its weight. This can be modeled by the equation N = 855 W where N is in beats per minute. Estimate the pulse rate of a 45 pound dog. 6. If P dollars is deposited in a savings account paying 4% annual interest, the amount A in the account after x years is given by the formula A = P(1.04). Find the amount in the account for the following information. P = $2000, x = 6 years A = 7. Tracy is bicycling down a mountain road that loses 400 feet in elevation for each 1 mile of road she travels. She starts at an elevation of 6500 feet. A. Write an equation for Tracy's elevation in terms of the number of miles she has traveled. B. Find Tracy's elevation after she has bicycled 8 miles. C. An appropriate viewing window for this problem is: Xmin: Ymin: Xmax: Ymax: Xscl: Yscl: by [ D. Sketch a graph of the equation in the window you chose in part C.Evaluate the following functions. 9. Given F(x) = 5x3 - 8x + 1, find A. F(-2) B. F(4) C. F(h?) D. F(t) - 3 10. Given F(t) = t+1 2t -3 find: A. F(2) B. F(n + 1) C. F(2g) + 1 D. 3F(a) 11. Given g(t) = 3t2 - 5t, find: A. g(-4) B. g(3) C. g(a) - 11 D. g(x + h) 12. Use the table shown to the right to find: g(t) A. g(4) B. g(10) DO A W N C. For what t-value is g(t) = 11? 10 3213. Assume the scales are 1 unit on both axes. Approximate the following h(x) function values from the graph. A. h(0) B. h(4) X C. h(-2) D. For what x-value(s) is h(x) = -2? 14. Given f(x) = 6x - 1 and g(x) = x + 7, find: A. (f+ g) (x) B. (f - g)(x) C. (fg)(4) D. () (x) E. (fog)(x) F. (g . f) (-2)15. Given f(x) = x and g(x) = 2x + 7, find: A. (f + g)(3) B. (f - g)(x) C. (fg) (x) D. ( ) (x) E. (f o g)(1) F. (go f)(x) g(x) 16. Given the graph shown, find the following: A. (f + g)(4) B. (f - g)(1) C. (fg)(-1) D. ( ) (1) f(x) E. (f - g)(3) 17. Given the table shown, find the following: X -1 0 3 5 f(x) Un W H 2 1 0 1 g(x) 9 5 -3 -7 11 -15 A. (f + g)(3) B. (g- f)(1) C. (fg)(-1) D. (g . f)(3)13. The graph shows 5 as a function of w. 5 represents the weekly sales of a best-selling book w weeks after it is released. A. Find 5(3) and explain what this represents in the context of the problem. B. In which weeks were sales over 53000? 12000 anoo C. Approximately, what week had the highest sales? What we re the sales that week? '90\" 19. The graph shows the graph of the ave rage high temperatures in Fairbanks, Alaska for Januarv {month 1] through December [month 12]. 11,11me A. What month has the highest average temperature? Approximately what is the temperature during that month? Write this point in function notation. EL Estimate TM} and explain what this means in context. C. During which months is the average high temperature below 30 degrees? For 20-25, find f(x) and g(x) so that h(x) = (fog)(x). 20. h(x) = V3x- +4 21. h(x) = (x2 + x + 1)5 22. h(x) = 2x -1 23. h(x) = 53x+1 24. h(x) = 1 25. h(x) = - x2+1 (2.x+ 3)- x2 26. For f(x) = 4x + 7, find: A. fla +h) B. f(ath) - f(a) c. flath)-f(a) h 27. For f(x) = x2 + x, find: A. fla +h) B. f(ath) - f(a) c f(ath)-f(a) h 3428. For f(x) = = find: A. fla +h) B. f(ath) - f(a) c flath)-f(a) h 29. For f(x) = x3- 1, find: A. fla +h) B. f(ath) -f(a) c. flath)-f(a) h 30. Find the domain of (fog)(x) when f(x) = =_ and g(x) = =. 31. Find the domain of (f . g)(x) when f(x) = x3 + 3 and g(x) = vx.1. Did you know that there is a relationship between the temperature and the rate of travel (speed) of certain ants? Several observations were made (which are shown in the table below) where s is the speed in centimeters per second and t is the temperature in degrees Celsius. temperature 4 16 22 28 speed 0 2 3 4 An appropriate viewing window for this data is: Xmin: Ymin: Xmax: Ymax: Xscl: Yscl: 2. Given the equation y = X - A. Fill in the table. X 3 7 12 21 B. An appropriate viewing window for this problem is: Xmin: Ymin: Xmax: Ymax: Xscl: Yscl: 3500f3. Jan buys a car. The value of her car is given by the equation V=25000-3500t, where t is the number of years since she bought the car. A. Fill in the table. t, years 0 4.5 6.25 V B. An appropriate viewing window for this problem is: [Xmin, Xmax, Xscl] by [Ymin, Ymax, Yscl] by [ L 4. Given that the area of an equilateral triangle is given by A = V3 4 -s , where s is the length of a side of the triangle. Calculate the area of a triangle with the following side lengths. s, side length in inches 1.25 3.4 5.58 A, area B. An appropriate viewing window for this problem is:\f