Hello, I need help on my Mathematics 30-1 (Pre-calculus) Quiz 7.3 Questions #6-#9

Mathematics 30-1 Quiz 7.3 - TS 6. If c(x) = (a b)(x), then A. c (x) = a(b(x) ) B. c (x ) = bla(x) ) C . c (x ) = a(x)b(x ) D . c (x) = (bo a) (x) Hint: Refer to the rules for composing functions. 7. If h(x) = Ag(x)) = 5/1 - 4x and f(x) = 5/x, then g(x) is A. -4x B. 5 vx C. 1 - 4x D. VI - 4x Hint: Think about how h(x) is produced. 8. If f(x) = 2*+ + 5 and 8(x) = x"', the range of g(f(x)) is A. y > 1.5 B. 0 5 D. OKy