Concept explainers
The Logistic Function and Grant Spending
a. Show that the logistic function
[HINT: See the note after Example 5 in Section 6.2.]
b. Use the result of part (a) and a suitable substitution to show that
c. The rate of graduation of private high school students in the United States for the period 1993–2003 was approximately
Where t years since 1994.61 Use the result of part (b) to estimate the total number of private high school graduates over the period 1998–2003.
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Applied Calculus
- Algebra & Trigonometry with Analytic GeometryAlgebraISBN:9781133382119Author:SwokowskiPublisher:Cengage