Answer quickly don't explain too much please:

11. What is the average rate of change for the function f(x) = -x3+ x -5 over the interval 1 S x $ 4? a. -12 C. -3 b. -4 d. 4 12. For the function g(x) = x- - 2x + 5, what is the best estimate for the instantaneous rate of change at x = 3? a. 6 AN C. b. d. 8 13. The value of an automobile decreases each year and is described by the equation V() = 24 000(0.95)', where f is the number of years after the car is purchased. Estimate the rate at which the value of the auto is changing 5 years after it is purchased. a. -$1250/year c. -$150/year b. -$950/year d. $150/year 14. Which graph models walking directly away from a motion sensor at a constant rate? a. C.