9-119. Write an exponential equation to represent the situation and answer the question. a) If the cost of a loaf of bread is now $2.5 and is increasing at 4% per year, what will it cost 10 years from now? Equation: y = Cost 10 years from now: $ b) The population of Flood River City is now 45000. Experts predict the population will decrease 20% each year for the next 4 years. What will be the population in 4 years? Equation: y = 4 years from now: c) A share of Orange stock that was worth $20 in 2000 was worth $45 in 2010. What is the multiplier and percent increase? Annual Multiplier: Round to the nearest person Percent Increase: round to 3 decimal places .000 % round to 1 decimal place