Answer:
the vertex is 4
Step-by-step explanation:
Answer:

if you insert x and y value in equation you can find equation
Your answer is 178.75
97.5-(-81.25)
you want to apply the keep change change rule
97.5+81.25 = 178.75
Answer:
C
Step-by-step explanation:
the only it has constant rate of change (slope, gradient or derivative at every point is equal)