On day one, a bacteria colony begins with 20 bacteria and the number of bacteria triples each day. Which explicit equation can be used to determine the number of bacteria after n days? A. a n = 3(20)n
B. a n = 20(3)n
C. a n = 3(20)n – 1
D. a n = 20(3)n – 1

What is the multiplicative rate of change of the exponential function shown on the graph?

Find an equation for the linear function which has slope -10 and x-intercept -7

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?