Question

F(x)= -x-5 g(x)=x^2-6x+13 find f(g(x))

Answer 1

f(g(x)) = x² - 6x + 8

Explanation:

to evaluate f(g(x)) , substitute x = g(x) into f(x)

f(x² - 6x + 13)

= x² - 6x + 13 - 5 ← collect like terms

= x² - 6x + 8