Step-by-step explanation:
please mark me as brainlest chelli
Answer:
bet send u it when im done
-18
Given:
f(x)=4-x^2 and g(x) =6x
h(3) = (g-f)(3)
= 6x - (4x^2)
= 6*3 -(4*3^2)
= 18 - 4*9
= -18
