let y be the temperature x hours after midnight. the temperature is 60°f at midnight and decreases 2°f every 1/2 hour.

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08-11-2017
Mathematics

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let y be the temperature x hours after midnight. the temperature is 60°f at midnight and decreases 2°f every 1/2 hour.

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Yna9141 Yna9141 · Answer 1 · 2017-11-17T17:55:42+01:00

Yna9141 Yna9141

17-11-2017

In this item, it is assumed that we are to establish or generate the equation for the temperature of the surrounding x hours after midnight.

From the given above, the slope of the equation should be -2 since the temperature decreases by this rate. Also, the y-intercept is equal to 60 since this is the initial value. The equation is then,

y = (-2)(1/2)(x) + 60

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