1/2 (x-4)= -8 find the variable

x = -12

Step-by-step explanation:

=> 1/2 (x-4) = -8

=> x-4 = -8 × 2

=> x-4 = -16

=> x = -16+4

=> x = -12

easy its decreasing

step-by-step explanation:

because its top point is at the to of the graph on the left side (atleast from the veiw i see it) now if that top point wast in the lower part of the graph it would be increasing hope this have a nice day