The revenue, cost, and profit functions for a line of cell phone cases is shown. Identify the location on the profit function wh
ere the profit from sales of the phone cases is a maximum.
2 answers:
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Answer:
D
Step-by-step explanation:
The perpendicular equation can be found by getting the reciprocal of the slope then multiplying it by -1. The slope is the "m" value of y=mx+b; in this case, the slope is .
To find out if it is C or D, you plug in the x value given in the equation (2) and see if it equals the y value given in the equation (-2). C is incorrect, which means that D is correct.
