All things being equal; demand decreases, as price increases.
The quantity supplied when price is $4 is 28
From table 4.4 (see attachment).
When price = $4, we have the following supplies:
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So, the total supply at $4 is:
Hence, the quantity supplied when price is $4 is 28
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The number of zeros of the quadratic functions, considering their discriminant, is given as follows:
A quadratic equation is modeled by:
The discriminant is:
The solutions are as follows:
Hence, for the given values of the discriminant, we have that:
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The inequality that correctly represents this scenario is given as follows:
The graph is given at the end of the question.
<h3>What is a system of inequalities?</h3>A system of inequalities is when two or more variables are related, and inequalities are built to find the values of each variable.
In this problem, the variables are given as follows:
Chocolate chips are $2 per pound and pecans are $5 per pound. She wants to spend at most $25, hence:
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