Question

let g(x)=2x and h(x)=x squared +4 h of g of 1

Answer 1

g(x)=2x
h(x)=x^2+4
hog(x)=h(g(x))=h(g(1))
g(1)=1^2+4
g(1)=5
h(g(1))=h(5)=2*5=10