Academy of Chinese Culture and Health Sciences Algebra Questionnaire

In problems 17 – 20, place a box around your answer.
17. Given:
f(x) = 2x – 7
and
9() = x + 3
Find (f -9)(5)
18. Given: f(x) = 5x and g(x) = 10×2, find:
Find
f
g
2
19. Given: f(x) = 3x – 5
and
9(x) = x + 2
Find (f9)(-1)
20. Given: f(x) = 5x
and
g(x) = x – 1
and
a.) Find (fg)(x)
b.) Find (f9)(2)