Answer:
i don't know can you help me please.
C=x.19+.25
C means the total cost
X means the extra minutes
Y= a(x-3)^2+6
2= a(0-3)^2+6
2=a(-3)^2+6
2=a(9)+6
2-6=9a
-4=9a
-4/9=a
Therefore the equation in vertex form is
y = -4/9 (x-3)^2+6
Answer:
250 and 2 because i think 250 multiply by 2 is 500
