Question

If F(x) = 5x-7 and G(x)=√x +13, what is F(G(x)) ?​

Answer 1

5x - 7 ( √ x + 13)

5x√x + 65x - 7√x -91

√3 (5x - 7) +13 (5x - 7)

(5x - 7) (√3 + 13)

5x(√3 + 13) -7