Answer:
Step-by-step explanation:
B. the vertex is (-6,-2)
C. 1
D. X= -6 Y= -1
Not sure if these are right please let me know if they helped
She used the diameter instead of the radius :) instead of cubing 8 she should’ve cubed 4
Average rate of change is defined by (y^-y)/(t^-t) where the ^ means the final(so final y and final t)
So you'd do (8.75-2.75)/(12-4) which is 6/8 which is 3/4 of a dollar per week
