Question

given h(t)=-2(t+5)^2+4 find h(-8)

Answer 1

they gave you value of t
h( -8) so plug that into the equation

Answer 2

\(\bf h({\color{brown}{ t}})=-2({\color{brown}{ t}}+5)^2+4 \qquad h({\color{brown}{ -8}})\implies h({\color{brown}{ -8}})=-2({\color{brown}{ \square? }}+5)^2+4\)

Answer 3

replace t by its value which is -8