Question

Given f(x)=x^2 +4x and g(x)= 2x +3 , evaluate each expression. f(g(2.5))

Answer 1

Answer:

g(2.5)= 2(2.5)+3

= 8

f(g(2.5))= f(8)=8^2+4*8

=16+ 32

= 48