Question

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

A. –10

B. –5

C. 12

D. 14
@MATTW20

Answer 1

just plug in -4=x

Answer 2

and solve

Answer 3

-5?

Answer 4

what is -4*-3?

Answer 5

-7

Answer 6

wait

Answer 7

no not plus but times

Answer 8

I mean -4 * -3

Answer 9

yes, sorry, maybe I wasn't clear

Answer 10

So what is -4 * -3?

Answer 11

12

Answer 12

and what is 2+12

Answer 13

14

Answer 14

correct. So do you understand what you're doing here? You just put the 4 where the x would be and solve

Answer 15

4= 12-14

Answer 16

??

Answer 17

hmmmmmmmmm.... how to explain this better

Answer 18

f(4)= 2 - 3x

Answer 19

^^^

Answer 20

right

Answer 21

so now where the x is you just put the 4 and solve so f(4)=2-3(4)

Answer 22

and the same thing goes for any number. If i said solve for f(100) you would just put f(100)=2-3(100)

Answer 23

and i meant -4 in that first one

Answer 24

Does that make sense?

Answer 25

what did you get?

Answer 26

for what?

Answer 27

this question lol

Answer 28

what did you get lol we got the answer a while ago I just wanted to make sure you understood the concept. It's 14 remember

Answer 29

ohh we did well i got 14 lol

Answer 30

yup congrats

Answer 31

thanks lol

Answer 32

you're very welcome