3.An increasing linear function with independent variable x and dependent variable y approaches the point (−1, 1). If this funct
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Answer:
Widgets should be sold by $38.88 to maximize the profit.
Step-by-step explanation:
Vertex of a quadratic function:
Suppose we have a quadratic function in the following format:
It's vertex is the point
In which
Where
If a<0, the vertex is a maximum point, that is, the maximum value happens at , and it's value is
.
In this question:
The profit is given by:
Which is a quadratic function with
The maximum profit happens at the x of the vertex. Thus
Widgets should be sold by $38.88 to maximize the profit.
I'm assuming you want an equation with a slope of -5 that also passes through the point (1, -7).
An equation that fits this is
Hope this helps!