A. initially or was that them it decreased by 15.2 and then it equaled -12.8
Answer:

Option C is correct.
Step-by-step explanation:











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You would have to go 25 times to make it worth getting option b
Answer:
Derivative: P’(x) = 200 - 2x
If P’(x) = 0 , x = 100
Therefore P’ is positive and P increases until x = 100
So the maximum units to maximize profits is 100 units
And for 100 units the profit in dollar is:
20000 - 10000 = 10000
10000 dollars
Answer: I cant tell which one is a or b or c or d but ill say its b