The power P (in MW) produced between midnight and noon by a nuclear power plant is P 4h 2 48h 74, where h is the hour of the day At what time is the power 664 MW

Question: The power P (in MW) produced between midnight and noon by a nuclear power plant is P = 4h 2 48h + 74, where

The power P (in MW) produced between midnight and noon by a nuclear power plant is P = 4h² − 48h + 74, where h is the hour of the day. At what time is the power 664 MW?

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