Solutions
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]

