Name: Date:Write down the inverse function f^{-1}(x) given:
| Question 1: f(x)=8(x-5) | Question 2: f(x)=x-5 |
| Question 3: f(x)={\Large\frac{4}{x}} | Question 4: f(x)={\Large\frac{x}{2}} |
| Question 5: f(x)=9\sqrt{x} | Question 6: f(x)=\sqrt{3x} |
| Question 7: f(x)={\Large\frac{x}{9}} | Question 8: f(x)=2x^2 |
| Question 9: f(x)=3x-7 | Question 10: f(x)=7(x+4) |
| Question 11: f(x)=6-x | Question 12: f(x)=8-x |
| Question 13: f(x)={\Large\frac{9}{5}}x | Question 14: f(x)=(6x)^2 |
| Question 15: f(x)=x-3 | Question 16: f(x)={\Large\frac{7}{3}}x |
| Question 17: f(x)=9x+4 | Question 18: f(x)={\Large\frac{7}{x}} |
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Answers
| Question 1: f^{-1}(x)={\Large\frac{x}{8}}+5 | Question 2: f^{-1}(x)=x+5 |
| Question 3: f^{-1}(x)={\Large\frac{4}{x}} | Question 4: f^{-1}(x)=2x |
| Question 5: f^{-1}(x)={\Large\frac{x^2}{81}} | Question 6: f^{-1}(x)={\Large\frac{x^2}{3}} |
| Question 7: f^{-1}(x)=9x | Question 8: f^{-1}(x)=\Large \sqrt \frac{x}{2} |
| Question 9: f^{-1}(x)={\Large\frac{x+7}{3}} | Question 10: f^{-1}(x)={\Large\frac{x}{7}}-4 |
| Question 11: f^{-1}(x)=6-x | Question 12: f^{-1}(x)=8-x |
| Question 13: f^{-1}(x)={\Large\frac{5}{9}}x | Question 14: f^{-1}(x)=\Large \frac{\sqrt x}{6} |
| Question 15: f^{-1}(x)=x+3 | Question 16: f^{-1}(x)={\Large\frac{3}{7}}x |
| Question 17: f^{-1}(x)={\Large\frac{x-4}{9}} | Question 18: f^{-1}(x)={\Large\frac{7}{x}} |