Practice problem
Choose all of the variables that appear in the following expression: x+y2+(π)z(e)(i)x+y^{2}+(\pi)z^{(e)(i)}x+y2+(π)z(e)(i)
xxx
yyy
222
π\piπ
zzz
eee
iii
Type a concept, like “slope” or “photosynthesis”.
