Question 999115
A candle burns at a rate of 1 inch per hour. The original height of the candle is 12 inches. The function of the candle burning can be represented by f(x)=-x+12. Find x when f(x)=8. 
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Solve:: -x+12 = 8
-x = -4
x = 4
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Cheers,
Stan H.
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