What input will result in an output of 12 for the following functions d(x) = 2x -4

8

Step-by-step explanation:

12=2x-4

12+4 = 2x

16 = 2x

16/2 =x

x =8

check

d(x) = 2(8)-4

=16-4

=12

23

step-by-step explanation:

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!