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April 19, 2014

April 19, 2014

Posted by **Yvonne** on Monday, April 16, 2012 at 2:19pm.

(a) According to this formula, what is the maximum number of words per minute?

(b) Solve for N.

.

- College Math - typo? -
**Steve**, Monday, April 16, 2012 at 4:18pmln(x) is only defined for x>0, so 1-N/80 > 0

That is, N<80

The problem here is that 1-N/80 < 1, so ln(1-N/80) is negative. But, t must be positive.

Typo?

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