I'd say the first or third one, however, I'm not too sure:)
Answer:
Point (2, 20) does not lie on the given curve.
Step-by-step explanation:
Let us see explanation:

Answer: Answer is in the step.
Step-by-step explanation:
The student made a mistake by identifying the maximum point by the x coordinate value of the vertex. Minimum or maximum points are determine using the y coordinate value.The student can determine the difference between a maximum and minimum by identifying the y coordinate of the vertex.
The answer is 19 because you have to divide them