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12-02-2018
Mathematics

contestada

What is the rate of change from x = π to x = 2π?

A. 8 over pi

B. pi over 8

C. negative 8 over pi

D. negative pi over 8

What is the rate of change from x π to x 2π A 8 over pi B pi over 8 C negative 8 over pi D negative pi over 8 class=

Respuesta :

12-02-2018

f(x) = -4cos(x)

average rate of change is taking the slope between those points

= (-4 - 4)/(2π - π)
= -8/π

the answer is C.

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