Question

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




1

81



81




1

18



18

Answer 1

1/81
81
1/18
18

Answer 2

\[\huge9x // 9^x\]
which one?

Answer 3

first

Answer 4

Well `f(x) = 9x` when `x=-2`
so f(-2) = 9(-2) = -18
if its supposed to be `f(x) = 9^x`
then f(-2) = 9^(-2) = 0.012345679

Answer 5

wait no second sorry

Answer 6

just plug it in. f(x) = 9x
f(-2) = 9(-2)
9*-2= some number. go get a calculator

Answer 7

i havent had the money to get a graphing calculator or a TI either

Answer 8

start>run>calculator.
google.com has one built in
as does wolframalpha

Answer 9

What he said ^