Answer:
Step-by-step explanation:
It opens upward when X is an even power. It would be for X squared or X raised to the 4th power.
3(3) - (-8)/4 = 9 + 2 = 11 so (3,-8) is solution
3(4) - 4/4 = 12 - 1 = 11 so (4,4) is solution
answer
C. both ordered airs are solutions