3 years ago

(-x²+9) + (-3x²-11x+4)

Mathematics

1 answer:

Maslowich3 years ago

6 0

Answer:

=-4x^2-11x+13

Step-by-step explanation:

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Answer:

Part A

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Yes the estimated value of sleep by this function is reasonable as it is close to childhood more sleep is likely.

Part B

20yr old boy.

Y=-(1/8)x+113/8 x=20

Y=-20/8+113/8=(113-20)/8=93/8

Y=11.63 hrs

No the estimated value of sleep by this function is not reasonable as the normal sleep of 7-8 hrs is enough for adults.

Step-by-step explanation:

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Step-by-step explanation:

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