For full marks, you must show all your work. 1. Determine the growth/decay factor for the following: a) A population is growing at a rate of 1.6%. b) A population decreases at a rate of 4%. c) A number of cells triple every hour. 2. A rare stamp was worth $79 in 1997. It was predicted to grow in value at a rate 6% per year. a) Write an equation to represent the value of the stamp, y in dollars, as a function of years, x, since 1997.