Respuesta :

h(x)=3x^2
h(-1)=3(-1)^2
h(-1)=3(-1•-1)
h(-1)=3•1
h(-1)=3

Answer:

h(-1)=13

Step-by-step explanation:

Plug in -1 for x

h(-1)=3(-1)^2-2(-1)+8

Find x^2

h(-1)=3(1)-2(-1)+8

Find the products

h(-1)=3+2+8

Combine like terms

h(-1)=13