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2 years ago

12

Please help I beg show work A 1 B 28 C 7 D 14

1 answer:

creativ13 [48]2 years ago

4 0

Answer:

It would be B

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Given

$E(t)= 1200(120-t)+520(120-t)^2$

Required

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3 years ago

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