Name: Date:Write down the inverse function f^{-1}(x) given:
| Question 1: f(x)=x-8 | Question 2: f(x)=3(x+8) |
| Question 3: f(x)=3x+5 | Question 4: f(x)=5(x-7) |
| Question 5: f(x)={\Large\frac{x}{7}} | Question 6: f(x)=3-x |
| Question 7: f(x)={\Large\frac{x}{2}} | Question 8: f(x)=4x^2 |
| Question 9: f(x)={\Large\frac{5}{x}} | Question 10: f(x)=x-9 |
| Question 11: f(x)=\sqrt{9x} | Question 12: f(x)=(2x)^2 |
| Question 13: f(x)={\Large\frac{6}{5}}x | Question 14: f(x)={\Large\frac{9}{4}}x |
| Question 15: f(x)=6\sqrt{x} | Question 16: f(x)=5x-2 |
| Question 17: f(x)={\Large\frac{6}{x}} | Question 18: f(x)=4-x |
Show Answers
Hide Answers
© GCSEMathsWorksheets.com
Answers
| Question 1: f^{-1}(x)=x+8 | Question 2: f^{-1}(x)={\Large\frac{x}{3}}-8 |
| Question 3: f^{-1}(x)={\Large\frac{x-5}{3}} | Question 4: f^{-1}(x)={\Large\frac{x}{5}}+7 |
| Question 5: f^{-1}(x)=7x | Question 6: f^{-1}(x)=3-x |
| Question 7: f^{-1}(x)=2x | Question 8: f^{-1}(x)=\Large \sqrt \frac{x}{4} |
| Question 9: f^{-1}(x)={\Large\frac{5}{x}} | Question 10: f^{-1}(x)=x+9 |
| Question 11: f^{-1}(x)={\Large\frac{x^2}{9}} | Question 12: f^{-1}(x)=\Large \frac{\sqrt x}{2} |
| Question 13: f^{-1}(x)={\Large\frac{5}{6}}x | Question 14: f^{-1}(x)={\Large\frac{4}{9}}x |
| Question 15: f^{-1}(x)={\Large\frac{x^2}{36}} | Question 16: f^{-1}(x)={\Large\frac{x+2}{5}} |
| Question 17: f^{-1}(x)={\Large\frac{6}{x}} | Question 18: f^{-1}(x)=4-x |