Question

For the function f(x) = 2 – 3x, find f(–4).

A.
–5

B.
–10

C.
14

D.
12

Answer 1

just sub in -4 for every x
f(x) = 2 - 3x
f(-4) = 2 - 3(-4)
f(-4) = 2 + 12
f(-4) = 14
understand ?

Answer 2

To find f(-4) just input 'x' for -4.

f(x) = 2 - 3x
f(x) = 2 - 3(-4)
f(x) = 2 + 12
f(x) = 14

Answer 3

Lol beat me to it @kelliegirl33

Answer 4

lol :)

Answer 5

Oops.

To find f(-4) just input '-4' for 'x'.*

Answer 6

:p

Answer 7

Thank you @kelliegirl33 & @greenlegodude57 :)