Question

If f(x)=x^2-1 and g(x)= x+2 then g(f(x)= ?

Answer 1

g(f(x)) = x² + 1

Explanation:

f(x) = x² - 1

g(x) = x + 2

g(f(x)) = x² - 1 + 2 = x² + 1