Question

If f(x) = 3x - 1 and g(x) = x² + 2, what is (fᵒg)(x) ?​

Answer 1

$(fog)(x) = f(g(x)) = 3(x {}^{2} + 2) - 1 \\ = 3x {}^{2} + 6 - 1 \\ = 3x {}^{2} + 5$