Question

let f(x)=x+3 and g(x)=x^2. find (gf)(5)

Answer 1

Answer:

$g(f(5))=64$

Step-by-step explanation:

we have

$f(x)=x+3$

$g(x)=x^{2}$

we know that

$g(f(x))=(x+3)^{2}$

so

$g(f(5))=(5+3)^{2}=64$