The graph shows the daily revenue earned selling coupon
cards in a fundraiser if the price is decreased by x dollars.
which function can be used to determine the daily revenue
if the price of a coupon card is decreased by x dollars?
i coupon cards fundraiser
543
48.(1.45)
, 49)
. (5.45)
r(x) = -x + 6x + 40
r(x) = -(x - 4)(x + 10)
r(x) = -(x2 - 14x + 40)
r(x) = -(x + 3)2 + 49
420.40)
(7.33)
daily revenue ($)
(9, 13)
1
9
10
x
2 3 4 5 6 7 8
decrease in price ($)