Exploring Composition of Functions

What is the result of F(2) if F(x) = 4x + 1?

If G(x) = x^2, what is G(9)?

What is the result of G(1) if G(a) = 3^(3a - 2)?

If F(a) = 2a + 1, what is F(3)?

What does the notation F(G(x)) represent?

In a real-world example, if F(x) represents gross pay and G(x) represents taxes, what does F(G(x)) represent?

What is the result of F(G(4)) if F(x) = 4x and G(x) = 7 - x?

What is the result of G(F(4)) if F(x) = 4x and G(x) = 7 - x?

If F(a) = 2a + 5 and G(a) = a^2 - 4, what is F(G(a))?

If F(a) = 2a + 5 and G(a) = a^2 - 4, what is G(F(a))?