Textbook Question
Use the four-step procedure for solving variation problems given on page 447 to solve Exercises 1–10.y varies directly as x. y = 65 when x = 5. Find y when x = 12.
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Table of contents
- 0. Review of Algebra
- 1. Equations & Inequalities
- 2. Graphs of Equations
- 3. Functions
- 4. Polynomial Functions
- 5. Rational Functions
- 6. Exponential & Logarithmic Functions
- 7. Systems of Equations & Matrices
- 8. Conic Sections
- 9. Sequences, Series, & Induction
- 10. Combinatorics & Probability
5. Rational Functions
Introduction to Rational Functions