A block of ice weighing 100 kilograms begins to melt. Each hour the block loses 5%, of its weight. Let's let W be the weight in kilograms of the block of ice after melting for t hours.
Is W a linear function or an exponential function?
This function is exponential because W decreases by 9.75, as t increases from t=0 to t=2 .
This function is linear because W decreases by 5 as t increases from t=0 to t=1.
This function is linear because W is multiplied by a factor of 5% each time t increases by 1.
This function is exponential because W is multiplied by a factor of 0.95 each time t

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