Question

What is the range of the function f(x) = 3x − 12 for the domain {-2, 2}
Please walk me through it medal and fan will be rewarded

Answer 1

@zepdrix

Answer 2

@Loser66 @mathmale

Answer 3

put x =-2 in f(x) , what do you get?

Answer 4

I get -6x-12 right?

Answer 5

f(x)=-6x-12

Answer 6

no more x

Answer 7

-6-12 =-18 , right?

Answer 8

yeah okay

Answer 9

so for second use 2?

Answer 10

how about replacing x =2?

Answer 11

so f(x)=3(2)-12= 6-12= -6

Answer 12

so answer is {-18,-6}?

Answer 13

yup

Answer 14

but not the curly bracket.

Answer 15

That is so simply lol my teacher was trying to teach us this complicated crap

Answer 16

It should be [-18,-6]

Answer 17

Oh for the answer choices it shows { not [

Answer 18

ok, so, just take it.

Answer 19

Thanks mind helping me with a few more?

Answer 20

not sure, just post