Question

Considere as funções h(x)=2x+5 e g(x)=x-1 . O valor de h(g(–1)) é:

Answer 1

h(x)=2x+5 e g(x)=x-1      h(g(-1))

g(-1) = -1-1
g(-1) = -2

h(-2) = 2x+5
h(-2) = 2(-2)+5
h(-2) = -4+5
h(-2) =1

então h(g(-1)) = 1