Answer

ashboard iMathAS - GRLContent R Rational Reasonin An 18-inch candle is lit and burns at a constant rate of 2.25 inches per hour. Use the applet below to explore this context. . Let r represent the remaining length of the candle (in inches). . Let t represent the number of hours that have elapsed since the candle was lit. t = 2.00 20 r At = t-0 16 Are -2.25At 12 8 r = 13.50 4 2 6 8 10 The graph shows the relationship between t Use the slider at the top-left to and r and also how At and Ar vary from vary the value of t. when the candle began burning. a. When 0 feconds have elapsed since the candle was lit, how tall is the candle? inches Preview b. Vary the value of t on the slider and answer the following: As the value of t increases from 1 to 4 the value of r Select an answer @ from to c. When the amount of time the candle has been burning increases from 4 to 5 hours, the candles' height Select an answer @ from d. For any change of 2 hours of burning time, the candle's height Select an answer @ by inches. e. For any change of 4.2 hours of burning time, the candle's height Select an answer @ by inches