How are you supposed to solve this???
Answer:
$302,500
Step-by-step explanation:
If cost (C) = $7, then Sales (S) = 37,500 units
If cost (C) = $15, then Sales (S) = 17,500 units
The slope of the linear relationship between units sold and cost is:

The linear equation that describes this relationship is:

The revenue function is given by:

The cost at which the derivative of the revenue equals zero is the cost that yields the maximum revenue.

The optimal cost is $11, therefore, the maximum revenue is:

Your answer is 43 / 4.
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Answer:
y-intercept= (0,-38)
x-intercept= (38/7,0)
Step-by-step explanation:
y=mx+b
m=slope
b=y-intercept
y-4=7(x-6)
y=7x-38
x-intercept= (38/7,0)
y-intercept= (0,-38)