Chapter 3 - Linear and Quadratic Functions - 3.3 Quadratic Functions and Their Properties - 3.3 Assess Your Understanding - Page 145: 22

See graphs

We are given the function: $f(x)=2x^2+4$ We start graphing the parent function $a(x)=x^2$. Then vertically stretch $a(x)$ by a factor of $2$ to get $b(x)=2x^2$. Finally, we vertically shift $b(x)$ 4 units upward to get $f(x)=2x^2+4$. See graphs