Solve the problem.
-Your company uses the quadratic model $y = - 11 x ^ { 2 } + 350 x$ to represent how many units ( $y$ ) of a new product will be sold (x) weeks after its release. How many units can you expect to sell in week 12?
A) 5784 units
B) 4068 units
C) 2616 units
D) 4332 units

Question

Quizplus · Accepted Answer

Substituting $x = 12$ into the quadratic model $y = -11x^2 + 350x$, we get $y = -11(12)^2 + 350(12) = -11(144) + 4200 = -1584 + 4200 = 2616$ units.

Solve the Problem y=−11x2+350xy = - 11 x ^ { 2 } + 350 xy=−11x2+350x

Solve the Problem $y = - 11 x ^ { 2 } + 350 x$