Answer:
x∧2+2x+3
Explanation:
It is so-called composition of functions. In this case function g(x) is input variable for the function f(x).
Given f(x) = x∧2 - 1 and g(x) = x + 2 => f(g(x)) = ?
f(g(x)) = f(x+2) = (x+2)∧2 - 1 = x∧2 + 4x + 4 - 1 = x∧2 +4x +3
Good luck!!!