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We will be using the concept of functions to find this.
Let's solve this step by step.
Explanation:
Given functions f(x) = x + 2, g(x) = x – 4.
(f g)(x) = f(x) × g(x)
(f g)(x) = (x + 2) × (x - 4)
(f g)(x) = x2 + 2x - 4x - 8
(f g)(x) = x2 - 2x - 8