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Functions

Quick questions on Exponential functions, growth, and decay - TNReady Algebra I

4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is exponential decay?
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y=a(1−r)ty = a(1 - r)^t, base 1−r<11 - r < 1 (decrease by rate rr).
What is general form?
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f(x)=abxf(x) = ab^x, with aa the starting value and bb the growth/decay factor.
What is q1?
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Write a model for \800growingat growing at 3\%peryear,andfindtheamountafter per year, and find the amount after 1$ year. [2 points]
What is q2?
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Is "a tank loses 1010 liters per hour" linear or exponential? [1 point]

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