Question

find the average rate of change for the function f(x) = x^2 + 3x - 5 on the interval [1,5]

Answer 1

@Hero @Shadow

Answer 2

is it 9

Answer 3

dammit

Answer 4

\[\text{Average Rate of Change} = \frac{f(b)-f(a)}{b-a}\]

\[\text{Average Rate of Change}_{[1,5]} = \frac{f(5)-f(1)}{5-1}\]
\[= \frac{35-(-1)}{5-1}\]
\[= \frac{36}{4}\]
\[=9\]

You are correct if you chose 9