Question

What is the average rate of change of the function y = 3 cos x on the interval [π/2, π]?

Answer 1

-2/pi

Explanation:

Answer 2

¹

Explanation:

Average Rate of Change is

ts

`(f(b) - f(a))/(b - a)`

Here b is pi, a is pi/2,

`\cos(\pi) = - 1`

`\cos( (\pi)/(2) ) = 0`

So we have

`( - 1 - 0)/( (\pi)/(2) ) = ( - 1)/( (\pi)/(2) )`