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I need help solving this problem.

I need help solving this problem.-example-1
User SeanDL
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11 votes
Answer is B
all ready do that
User Subin K Kuriakose
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11 votes

Answer:

The vertex, a maximum, is (25, 2400). It reveals that the maximum profit will result when the tickets are $25, and then the profit will be $2400.

Step-by-step explanation:

p(d) = -4d² + 200d - 100

Comparing it with quadratic function, ax² + bx² + c

Here given: a = -4, b = 200, c = -100

Using Vertex Formula: x = -b/2a = -200/2(-4) = 25

Then find y = -4(25)² + 200(25) - 100 = 2400

Solution Set : (x, y) → (25, 2400)

As a > 0, the vertex is maximum.

User Dstaley
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