Practice problem
Evaluate f(1),f(5), and f(12)f(1), f(5), \text{ and } f(12)f(1),f(5), and f(12), where f(x)={x3+7x+5 if x≤5x2+4x if 5<x<20f(x)=\left\{\begin{matrix} x^3+7x+5 &\text{ if }& x \le 5 \\ x^2+4x &\text{ if }& 5 < x < 20 \\ \end{matrix}\right.f(x)={x3+7x+5x2+4x if if x≤55<x<20
13,45,181713, 45, 181713,45,1817
13,165,19213, 165, 19213,165,192
5,165,1925, 165, 1925,165,192
13,45,19213, 45,19213,45,192
Type a concept, like “slope” or “photosynthesis”.
