Answer:
a
Step-by-step explanation:
Your answer will turn out to be −4x^2+3x.
B. Warm air rises,and cool air sinks.
Plug in x-values and see which one has an incorrect y value.
(x, y)
x=0; y=0+7=7; CORRECT
x=2; y=2+7=9; INCORRECT
x=9; y=9+7=16; CORRECT
x=12; y=12+7=19; CORRECT
The point that is not on the online is (9, 16).