Find the Average Rate of Change of F(x)=5 \Tan $\left[\frac{\pi}{4}, \frac{3 \pi}{4}\right]$

Multiple Choice

Find the average rate of change of f(x) =5 \tan x over the interval $\left[\frac{\pi}{4}, \frac{3 \pi}{4}\right]$

A) $-\frac{5}{\pi}$
B) $-\frac{20}{\pi}$
C) -10
D) 0