Practice problem
Given that x=2ax=2ax=2a, rearrange the following function and write a function of aaa in terms of yyy. y=x+4y=x+4y=x+4
a=2y−8a=2y-8a=2y−8
a=y−42a=\frac{y-4}{2}a=2y−4
a=y+42a=\frac{y+4}{2}a=2y+4
a=2y−1a=2y-1a=2y−1
Type a concept, like “slope” or “photosynthesis”.