Math Problem Statement
The monthly profit, in hundreds of dollars, made by selling
x
custom built electric scooters is given by
P
(
x
)
−
2
x
2
+
172
x
−
2448
,
0
≤
x
≤
83
.
a) What are the zeros of
P
(
x
)
?
Smaller:
18
Correct
Larger: 68 Correct
b) What does
P
(
x
)
0 mean in the context of the problem? Number of scooters to break even* Correct
c) How many electric scooter should be sold to maximize profit? 43 Correct
d) What is the maximum profit?
Solution
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Math Problem Analysis
Mathematical Concepts
Quadratic Functions
Profit Maximization
Zeros of a Function
Vertex of a Parabola
Formulas
Quadratic function: ax^2 + bx + c
Vertex formula: x = -b / 2a
Quadratic equation formula: ax^2 + bx + c = 0
Theorems
Vertex Theorem for Quadratic Functions
Quadratic Formula
Suitable Grade Level
Grades 10-12
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