Question

f(x) = square root of x+9 ; g(x) = 8x - 13
Find f(g(x))

Answer 1

Answer:

$\sqrt{8x-4}$

Step-by-step explanation:

Substitute x = g(x) into f(x) , that is

f(g(x))

= f(8x - 13)

= $\sqrt{8x-13+9}$

= $\sqrt{8x-4}$