Ascale drawing is made to enlarge a picture by using a scale factor of 3. the enlarged picture is 9 inches by 15 inches. what are the dimensions of the original picture?

scale factor of 3 means the enlarged picture is 3 times larger than the original.

 to find the size of the original divide the dimensions given by 3

9/3 = 3, 15/3 = 5

original picture was 3 inches x 5 inches

-13

step-by-step explanation:

f(x)=2x-5 for f(-4)

f(-4)   means let x=-4

f(-4) = 2(-4) -5

f(-4) =-8-5

      = -13