The height of a burning candle depends on how long the candle has been burning. For one type of candle the function is h= 8 - ½t gives the candle’s height h (in centimeters) as a fraction of the time t the candle has burned in hours.
Graph the function
What was the Original Height of the Candle?
What is the greatest amount of time the candle can burn?

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?