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zalisa [80]
2 years ago
5

Please help! photo is attached, will give brainliest.

Mathematics
1 answer:
Naddik [55]2 years ago
8 0

Answer:84

Step-by-step explanation:

Okay. Are you taking calc? Dv/dt =d/dt(L(t)^3)=d/dt[(sqrt(14)+2t)^3]= 6(Sqrt(14)+2t)^2)=44. We defined t=0 to be time at which length is sqrt(14). Does that work?

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