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MA240 College Algebra Assignment 4 (Ashworth College)

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<strong>MA240</strong> <strong>College</strong> <strong>Algebra</strong> <strong>Assignment</strong><br />

4 (<strong>Ashworth</strong> <strong>College</strong>)<br />

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40-college-algebra-assignment-4-<br />

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<strong>MA240</strong> <strong>College</strong> <strong>Algebra</strong> <strong>Assignment</strong> 4 (<strong>Ashworth</strong> <strong>College</strong>)<br />

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The function P(t) = 145e-0.092t models a runner’s pulse, P(t), in beats per minute, t minutes after a race, where<br />

0 ≤ t ≤15. Graph the function using a graphing utility. TRACE along the graph and determine after how many<br />

minutes the runner’s pulse will be 70 beats per minute. Round to the nearest tenth of a minute. Verify your<br />

observation algebraically.<br />

In this problem, the original function is:<br />

P(t)=145e-0.092t<br />

etc.

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