Name: Date:Write down the inverse function f^{-1}(x) given:
| Question 1: f(x)=2x+7 | Question 2: f(x)={\Large\frac{x}{5}} |
| Question 3: f(x)=7-x | Question 4: f(x)={\Large\frac{6}{x}} |
| Question 5: f(x)=x-3 | Question 6: f(x)=6(x-3) |
| Question 7: f(x)=x-2 | Question 8: f(x)=8-x |
| Question 9: f(x)={\Large\frac{2}{7}}x | Question 10: f(x)={\Large\frac{4}{5}}x |
| Question 11: f(x)=(9x)^2 | Question 12: f(x)={\Large\frac{4}{x}} |
| Question 13: f(x)=8(x+2) | Question 14: f(x)=5x^2 |
| Question 15: f(x)=4\sqrt{x} | Question 16: f(x)=6x-7 |
| Question 17: f(x)={\Large\frac{x}{9}} | Question 18: f(x)=\sqrt{7x} |
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Answers
| Question 1: f^{-1}(x)={\Large\frac{x-7}{2}} | Question 2: f^{-1}(x)=5x |
| Question 3: f^{-1}(x)=7-x | Question 4: f^{-1}(x)={\Large\frac{6}{x}} |
| Question 5: f^{-1}(x)=x+3 | Question 6: f^{-1}(x)={\Large\frac{x}{6}}+3 |
| Question 7: f^{-1}(x)=x+2 | Question 8: f^{-1}(x)=8-x |
| Question 9: f^{-1}(x)={\Large\frac{7}{2}}x | Question 10: f^{-1}(x)={\Large\frac{5}{4}}x |
| Question 11: f^{-1}(x)=\Large \frac{\sqrt x}{9} | Question 12: f^{-1}(x)={\Large\frac{4}{x}} |
| Question 13: f^{-1}(x)={\Large\frac{x}{8}}-2 | Question 14: f^{-1}(x)=\Large \sqrt \frac{x}{5} |
| Question 15: f^{-1}(x)={\Large\frac{x^2}{16}} | Question 16: f^{-1}(x)={\Large\frac{x+7}{6}} |
| Question 17: f^{-1}(x)=9x | Question 18: f^{-1}(x)={\Large\frac{x^2}{7}} |