Answer:
1) will be two infinitely negative numbers with a higher max at about -1.5 and a lower max at (1, -2).
2) will be in an N shape, with a peak at (0,1). The left side of the n will be negative x and vice versa for the right side.
3) will be in a W shape, left and rights are the same as 2), peak at (.5, 1.25).
4) will be in a reverse N shape, peaking at (0, 36)
Explanation:
Check a graphing calculator and use trace function.
Hope it helps!