Question

Given h(x) = 2x^2 - 4x + 4, find h ( -4 ).

Answer 1

Given:

$h\mleft(x\mright)​=2x^2-4x+4$

To find h(-4):

Substitute x=-4 in the given equation, we get

$\begin{gathered} h\mleft(-4\mright)​=2(-4)^2-4(-4)+4, \\ =2(16)+16+4 \\ =52 \end{gathered}$

Hence, the answer is 52.