A certain stock is worth $42 at the beginning of the day. Every hour the stock goes down by 5%. a) Can this information be represented by exponential growth or decay? Explain.
b) What is the growth or decay factor for this information? Explain how you found it.
c) Write an equation to model this information. Explain what each part means.
d) How much will the stock be worth in 8 hours? Show work.
10. A dust bunny gathers dust at a rate of 11% per week. The dust bunny originally weighs 0.7 oz.
a) Write a function that represents the weight of the dust bunny at a given time. Use x for weeks
and y for the weight of the dust bunny.
b) Find the weight of the dust bunny after 7 weeks.
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