Explanation: We are given that: f (x) = 3x² - 2 g (x) = 2x + 4
We want to find the value of (f - g)(x), this means that we will simply subtract g (x) from f (x) as follows: (f - g)(x) = f (x) - g (x) (f - g)(x) = 3x² - 2 - (2x + 4) (f - g)(x) = 3x² - 2 - 2x - 4 (f - g)(x) = 3x² - 2x - 6