Answer:
The relationship between the number of cartridges purchased and the total cost is proportional for nonmembers but not for members.
Answer:
Solve for x:
56 x^2 + 4 = 77
Subtract 4 from both sides:
56 x^2 = 73
Divide both sides by 56:
x^2 = 73/56
Take the square root of both sides:
Answer: |
| x = sqrt(73/14)/2 or x = -sqrt(73/14)/2
I have solved the answer in the pic below, hope it helpss!!!