For items 1 & 2, represent the given real life situations using functions. 1) Which of the following functions best represents the cost C of buying x meals, if one meal costs P75? A. C(x) = x + 75 C. C(x) = x - 75 B. C(x) = 75x D. C(x) = 2) A closed cylinder will be made using 50 in of paper. Let r be the radius of the cylinder and let h be the height. Which of the following functions best represents the volume of the cylinder in terms of ? A. V(r) = 50r - mrs C. V(r) = 50r + mrs B. V(r) = 25r - mr3 D. V(r) = 25r + mr3 For items 3 - 7, evaluate the given function. 3) If f(x) = 3x2 - 5x + 7, what is f(-5)? A. 107 C. 57 B. 108 D. -93 4) Evaluate the function r(x) = * at x = -. A. 4 - C. 12 B. - 13 D. - 10 5) Given g(x) = 2x2 + x - 1, evaluate g(x - 5). A. -2x2 - 19x + 44 C. 2x2 + 19x + 44 B. 2x2 - 19x - 44 D. 2x2 - 19x + 44 6) Given the function h(x) =\\x + 1, find f(1.25). A. 0.15 C. 15 B. 1.5 D. - 15 7) Janet started selling fruit shake in the nearby school. In one day she spends P300 pesos for rent and P15 for each fruit shake she prepares. Her expenses each day can be expressed as the function C(x) = 15x + 300, where x is the number of fruit shakes and C(x) is her daily expenses in pesos. How much are her expenses if she prepares 22 fruit shakes? A. Php630 C. Php620 B. Php600 D. Php650