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Home > A2C > Chapter 5 > Lesson 5.2.3 > Problem 5-93

5-93.

Use the equation y = abx.

b = multiplier = 3
a = starting point (today) = 72 million
What exponent should you use for 15 days before today?

If you aren't sure, think about a simpler problem: what would you use for yesterday? The day before that? Notice that x = 1 and x = 2 would represent tomorrow and the day after that.