Find the Range f(x)=x^2+2 if -5<=x<3; x-4 if 3<=x<7

$f (x) = {\begin{cases} x^{2} + 2 & - 5 \leq x < 3 \\ x - 4 & 3 \leq x < 7 \end{cases}$

Step 1

The range is the set of all valid $y$ values. Use the graph to find the range.