If f(x) = 2x + 1 and g(x) = x² - 3, what is (f ∘ g)(x)?
✓ Correct Answer: Option C
The composition (f ∘ g)(x) means f(g(x)). Substitute g(x) into f(x): f(x² - 3) = 2(x² - 3) + 1 = 2x² - 6 + 1 = 2x² - 5.
The composition (f ∘ g)(x) means f(g(x)). Substitute g(x) into f(x): f(x² - 3) = 2(x² - 3) + 1 = 2x² - 6 + 1 = 2x² - 5.