Composition of Polynomial Functions Answers

If f(x) = 2x + 6 and g(x) = –8x, what is g(f(4))?

Which expression represents the composition [g o f](x) for the functions below?f(x) = 3x – 2g(x) = 1 + 2x

If f(x) = 7x2 – 3 and g(x) = 5x, which expression is equivalent to [g o f](2)?

If f(x) = x5 – 1, g(x) = 5x2, and h(x) = 2x, which expression is equivalent to [g o f o h](9)?

If f(x) = –2x + 7 and g(x) = x2 – 2, what is [f o g](3)?

If f(x) = x3 + 7x2 – x and g(x) = x2 – 3, what is the degree of g(f(x))?

Which expression represents the composition g(f(x)) for the functions below?f(x) = –3x2g(x) = 3x

Which expression represents the composition [f o g o h](x) for the functions below?f(x) = –2x4g(x) = 4x – 6h(x) = x – 1

If f(x) = –x3, g(x) = 3x2 – 1, and h(x) = 2x + 5, what is the degree of [f o g o h](x)?

A jacket is on sale for $15 off. As part of a one-day sale, a 20% discount is applied to all purchases. If x represents the original price of the jacket, which expression represents the final price of the jacket during this sale?