Question

F(x) = –22 – 9x + 20 Find f(9)

Answer 1

Answer: -83

Step-by-step explanation:

f(9)--22+20-9*(9)=-2-81=-83

Answer 2

You gotta replace the x for 9 so...
F(9)= -22 -9(9) + 20
F(9)= -22 -81 +20
F(9)= -22 - 61
F(9)= -83