Which scale factors produce an expansion under a dilation of the original image?
select each correct answer.
a.0.3
b.0.75
c.2
d.3

The word "expansion" mean that the new image has dimensions which are higher or greater than the original image. For this to happen, the scale factor should be greater than 1. Thus, the answer for this item are letter C. 2 and D. 3. 

I’m pretty sure the slope would be 1 since the x and y values increase by 1