Substitution. (6 points) 3x + 2y = 11 y = 5x - 1 {show work}
1 answer:
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Answer:
The inequality 7.50c - 350 ≥ 700 can be used.
Step-by-step explanation:
Given that:
Amount spent on materials = $350
Amount the council needs to earn = $700
Selling price per corsage = $7.50
Number of corsages sold = c
Selling price per corsage * Number of corsages sold - amount spent on materials ≥ amount needs to be earned
Hence,
The inequality 7.50c - 350 ≥ 700 can be used.
The graph of is given by,
Here given the function is
when , then it passes through the origin (0,0).
When
Since we know that, , then the function has maximum height at
.
Again when , again the function is 0.
So clearly the function is the Oscillating function.
Using graphing calculator we get the graph of function ,
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