Respuesta :
its c because it would make it less then one which would reduce the first number
Answer: reduction
Explanation: An reduction provides the same map but is smaller than the original. For example you can see in the image it gets smaller than the preimage, also r>-1and r<1 is a reduction.
Hope this helps, have a BLESSED and wonderful day, as well as a safe one!
-Cutiepatutie