why all those extra lines?
f(t) = 13 - 1.3t
A 13-inch candle is lit and burns at a constant rate of 1.3 inches per hour. Let
t
represent the number of hours since the candle was lit, and suppose
f
is a function such that
f
(
t
)
represents the remaining length of the candle (in inches)
t
hours after it was lit.
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