Solutions 20: Modeling Using Variation
Solutions to Try Its
1. [latex]\frac{128}{3}[/latex] 2. [latex]\frac{9}{2}[/latex] 3. x = 20Solutions to Odd-Numbered Exercises
1. The graph will have the appearance of a power function. 3. No. Multiple variables may jointly vary. 5. [latex]y=5{x}^{2}[/latex] 7. [latex]y=10{x}^{3}[/latex] 9. [latex]y=6{x}^{4}[/latex] 11. [latex]y=\frac{18}{{x}^{2}}[/latex] 13. [latex]y=\frac{81}{{x}^{4}}[/latex] 15. [latex]y=\frac{20}{\sqrt[3]{x}}[/latex] 17. [latex]y=10xzw[/latex] 19. [latex]y=10x\sqrt{z}[/latex] 21. [latex]y=4\frac{xz}{w}[/latex] 23. [latex]y=40\frac{xz}{\sqrt{w}{t}^{2}}[/latex] 25. [latex]y=256[/latex] 27. [latex]y=6[/latex] 29. [latex]y=6[/latex] 31. [latex]y=27[/latex] 33. [latex]y=3[/latex] 35. [latex]y=18[/latex] 37. [latex]y=90[/latex] 39. [latex]y=\frac{81}{2}[/latex] 41. [latex]y=\frac{3}{4}{x}^{2}[/latex]
43. [latex]y=\frac{1}{3}\sqrt{x}[/latex]
45. [latex]y=\frac{4}{{x}^{2}}[/latex]
47. 1.89 years
49. 0.61 years
51. 3 seconds
53. 48 inches
55. 49.75 pounds
57. 33.33 amperes
59. 2.88 inchesLicenses & Attributions
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- Precalculus. Provided by: OpenStax Authored by: Jay Abramson, et al.. Located at: https://openstax.org/books/precalculus/pages/1-introduction-to-functions. License: CC BY: Attribution. License terms: Download For Free at : http://cnx.org/contents/[email protected]..
