Question

Using the functions f(x) = 2x + 7, g(x) = x2 - 4, and h(x) = 5x. Find all of the following. Make sure your answer is in simplest form.

c. f(g(x))

d. g(x)h(x)

e. g(x) / f(x)

Answer 1

c use g(x) as your x in f(x)
d g(x) multiplied by h(x)
e g(x) divided by f(x)

Answer 2

let me know where you get stuck

Answer 3

c. 2(x^2 - 4) + 7
d.10x^2-20x
e. im not sure how to do that?
are the other 2 correct?

Answer 4

c. need to simplify expand the parenthesis and group like terms