# Exponential growth and decay

Word problem solving- exponential growth and decay watch the next lesson:. Exponential word problems almost always work off the growth / decay formula, a = pe rt, where a is the ending amount of whatever you're dealing with (money, bacteria growing in a petri. Section 64 exponential growth and decay 313 64 eessential questionssential question what are some of the characteristics of exponential growth and exponential decay functions. Growth and decay but sometimes things can grow (or the opposite: decay) exponentially, at least for a while so we have a generally useful formula.

A common application of exponential equations is to model exponential growth and decay such as in populations, radioactivity and drug concentration. Fun math practice improve your skills with free problems in 'exponential growth and decay: word problems' and thousands of other practice lessons. A complete lesson on exponential growth and decay featuring video examples, interactive practice, self-tests, worksheets and more.

In either exponential growth or exponential decay, the ratio of the rate of change of the quantity to its current size remains constant over time. How is it that it only takes four years for our computer to go from top-of-the-line to almost worthless well, it has something to do with what's.

## Exponential growth and decay

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Section 61 exponential growth and decay functions 295 identifying graphs of exponential functions work with a partner match each exponential function with its graph use a table. Remember that the original exponential formula was y = ab x you will notice that in these new growth and decay functions, the b value (growth factor) has been replaced either by (1 + r) or. Two word problem examples: one about a radioactive decay, and the other the exponential growth of a fast-food chain.

Exponential growth and decay
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2018