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bulgar [2K]
2 years ago
11

Help I need this done today !!!!

Mathematics
2 answers:
Nezavi [6.7K]2 years ago
7 0

Answer:

C

Step-by-step explanation:

Vsevolod [243]2 years ago
6 0

Answer:

c

Step-by-step explanation:

To find the maximum point, differentiate:

D' = -8p +160

Set to zero and solve for p:

D' = 0

⇒ -8p +160 = 0

⇒ 8p = 160

⇒ p = 20

Input p = 20 into the original equation to find D:

D = -4(20)² + 160(20) -310 = 1290

Therefore, the price is $20 and the maximum number of drills is 1,290

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