Sleep Each day a young person should sleep 8 hours plus hour for each year the person is...

Sleep Each day a young person should sleep 8 hours plus hour for each year the person is under 18 years of age.

a. Based on this information, how much sleep does a 10-year-old need?

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b. Based on this information, how much sleep does a 14-year-old need?

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c. Use the answers from parts (a) and (b) to write a linear equation relating hours of sleep y to age x, for 6 ≤ x ≥ 18.

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d. Use your equation from part (c) to verify that an 18-year-old needs 8 hours of sleep.