Question

What is the value of f(x) = 9x when x = -2?

Answer 1

substitute -2 for x

f(x) = 9x
f(-2) = 9(-2) = ?

Answer 2

-18

Answer 3

9(-2)=f(x)
f(x)=-18

Answer 4

derp

Answer 5

yes, -18 is the answer

Answer 6

but the choices does not say -18

Answer 7

uh, are you sure you typed your function in correctly?

did you mean f(x) = 9^x?

Answer 8

(a)1/81
(b)81
(c)1/18
(d)18

Answer 9

9^x

Answer 10

\[1/81\]

Answer 11

A then

Answer 12

yeah. f(-2) = 9^(-2) = 1/81

Answer 13

thank you soo much

Answer 14

cause -2 makes the 9^2 go upside down to make the -2 positive

Answer 15

:3 np