Find the Average Rate of Change of F(x)=3 \Cos $\left[\frac{\pi}{3}, \frac{2 \pi}{3}\right]$

question 15

Multiple Choice

Find the average rate of change of f(x) =3 \cos x over the interval $\left[\frac{\pi}{3}, \frac{2 \pi}{3}\right]$

• A) -3
• B)\(-9 \pi\)
• C)\(-\frac{9}{\pi}\)
• D)\(\frac{\pi}{3}\)

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