Answer: Accommodation
Step-by-step explanation:
Accommodation is the adjustment of the optics of the eye to keep an object in focus on the retina as its distance from the eye varies.
The preimage was shifted to the image by a translation 2 units right and 2 units up, so the answer is 
A equivelent ratios are just like equivelent fractions. If two ratios have the same value,then they are equivelent,even tho they may look different! A ratio table is the relation betwen two similiar magnitudes with respect to the number of times the first contains the two.
Taking v to be y, it's written in the standard form for a linear equation, y=mx+c
