# Functions Applications: Money grows and the rainforest disappears

Unit 7: Functions
Lesson 9 of 11

## Big Idea: What's a better deal: one penny that doubles everyday for a month or 1 million dollars? Students explore functions that grow and decay exponentially.

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Standards:
Subject(s):
Math, Algebra, Exponential growth functions, function, Algebra 1, exponential decay, function
60 minutes

### Amanda Hathaway

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