Question

What is the rate of change for f(x) = −2 cos(4x − 3) on the interval from x = pi / 4 to x = pi / 2? A. -pi / 16. B. -16 / pi. C. 2 / pi. D. pi / 2

Answer 1

B. -16 / pi.

Explanation:

Answer 2

So the problem ask to calculate and choose among the following choices the rate of change for f(x)= -2cos(4x-3) base on the intervals in the given. Base on the given data, the answer would be letter B. -16/pi. I hope you are satisfied with my answer and feel free to ask for more