Page 135 - TB_6B

3 . The temperature changes of water in a beaker are measured.

a. Complete the table assuming that the temperature rises uniformly.

Time(min.) 012 3 4
Temp.( ) 62 77 92

b. Let x = the time, and let y = the temperature.
Write an equation for the function.

c. What is the temperature of the water after 5 minutes?

4 . The length of a lit candle is measured every minute. The original length

of the candle was 44 cm.

a. Complete the table assuming that the length of the lit candle decreases
uniformly.

Time(min.) 0 1 2 3 4

Length(cm) 44 40 36

b. Let x = the time, and let y = the length of the candle.
Write an equation for the function.

c. What is the length of the candle after 7 minutes?

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