Solve the problem.
-Your company uses the quadratic model y $y = - 4.5 x ^ { 2 } + 150 x$ 150x to represent the average number of new customers who will be signed on (x) weeks after the release of your new service. How many new
Customers can you expect to gain in week 16?
A) 2328 customers
B) 624 customers
C) 48 customers
D) 1248 customers

Question

Quizplus · Accepted Answer

To find the number of new customers in week 16, substitute $x = 16$ into the quadratic model $y = -4.5x^2 + 150x$. This gives $y = -4.5(16)^2 + 150(16) = -4.5(256) + 2400 = -1152 + 2400 = 1248$ customers.

Solve the Problem y=−4.5x2+150xy = - 4.5 x ^ { 2 } + 150 xy=−4.5x2+150x

Solve the Problem $y = - 4.5 x ^ { 2 } + 150 x$