Answer:
y= −9.16x²+73.04x+183.3
Values increase till x = 4 and then decrease which means thus curve has a maximum turning point around 4.
Coefficient of x² should be negative
because max to (concave down)
x = -b/2a should be around 4
x = -73.04/(2×-9.16) = 3.987
Answer:
D)$660
Step-by-step explanation:
Add all of them up and you get $658.29 the number in the tens place is 5 and the number on the right is 8 so you round up.
