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