Free points!! Thats all. :)!

He concluded that a heavier object dropped from the same height as a lighter object will land

What is true about the dilation? it is a reduction with a scale factor between 0 and 1. it is a reduction with a scale factor greater than 1. it is an enlargement with a scale factor between 0 and 1. it is an enlargement with a scale factor greater than 1.

For which pair of functions is (gof)(a)=|a|-2?