Question

Estimate the average rate of change from x=3 to x=7 .

Answer 1

$f(3) = 1 \: \: \: \: \: \: \: \: f(7) = 3$

$\frac{f(7) - f(3)}{7 - 3} = \frac{3 - 1}{4} = \frac{2}{4} = 0.5$