Section 5-4 Vertex Form Worksheet With Answers, 2013 Page 7
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2
3
4
5
6
72
x
70
x
600
23.
The expression
represents a company’s profit for selling x items. How many items should the
company sell to maximize their profit?
2
16
t
400
t
5
24.
The expression
represents the height of a cannonball t seconds after it was fired. What is the
maximum height of the cannon ball and how many seconds did it take to reach its maximum height?
2
x
44
x
490
25.
The expression
represents the cost in $1000 of dollars per year that company must spend out of pocket
on each employee for health insurance for x number of employees. How many employees should the company hire to
minimize their cost of health insurance?
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