Functions Bronze

Functions Bronze

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Question 1 of 25

1. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=12x+14\)
- \(f⁻¹\left(x\right)=\frac{x-14}{12}\)
- \(f⁻¹\left(x\right)=14x+12\)
- \(f⁻¹\left(x\right)=12x+14\)
- \(f⁻¹\left(x\right)=\frac{12}{x-14}\)
Correct

Incorrect
Question 2 of 25

2. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=3x+5\)
- \(f⁻¹\left(x\right)=\frac{x-5}{3}\)
- \(f⁻¹\left(x\right)=3x+5\)
- \(f⁻¹\left(x\right)=5x+3\)
- \(f⁻¹\left(x\right)=\frac{3}{x-5}\)
Correct

Incorrect
Question 3 of 25

3. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{x+4}{7}\)
- \(f⁻¹\left(x\right)=7x-4\)
- \(f⁻¹\left(x\right)=\frac{x+4}{7}\)
- \(f⁻¹\left(x\right)=7x-20\)
- \(f⁻¹\left(x\right)=\frac{7}{x+4}\)
Correct

Incorrect
Question 4 of 25

4. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{x+8}{3}\)
- \(f⁻¹\left(x\right)=3x-8\)
- \(f⁻¹\left(x\right)=\frac{x+8}{3}\)
- \(f⁻¹\left(x\right)=3x-16\)
- \(f⁻¹\left(x\right)=\frac{3}{x+8}\)
Correct

Incorrect
Question 5 of 25

5. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{x}{7}+15\)
- \(f⁻¹\left(x\right)=7x-105\)
- \(f⁻¹\left(x\right)=7x-15\)
- \(f⁻¹\left(x\right)=\frac{7}{x+15}\)
- \(f⁻¹\left(x\right)=\frac{x+15}{7}\)
Correct

Incorrect
Question 6 of 25

6. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{x}{3}+12\)
- \(f⁻¹\left(x\right)=3x-36\)
- \(f⁻¹\left(x\right)=3x-12\)
- \(f⁻¹\left(x\right)=\frac{x+12}{3}\)
- \(f⁻¹\left(x\right)=\frac{3}{x+12}\)
Correct

Incorrect
Question 7 of 25

7. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=5x-3\)
- \(f⁻¹\left(x\right)=\frac{x+3}{5}\)
- \(f⁻¹\left(x\right)=5x-3\)
- \(f⁻¹\left(x\right)=\frac{5}{x+3}\)
- \(f⁻¹\left(x\right)=3x-5\)
Correct

Incorrect
Question 8 of 25

8. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=5x-9\)
- \(f⁻¹\left(x\right)=\frac{x+9}{5}\)
- \(f⁻¹\left(x\right)=9x-5\)
- \(f⁻¹\left(x\right)=\frac{5}{x+9}\)
- \(f⁻¹\left(x\right)=5x-9\)
Correct

Incorrect
Question 9 of 25

9. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{x-3}{4}\)
- \(f⁻¹\left(x\right)=4x+3\)
- \(f⁻¹\left(x\right)=\frac{x-3}{4}\)
- \(f⁻¹\left(x\right)=4x+15\)
- \(f⁻¹\left(x\right)=\frac{4}{x-3}\)
Correct

Incorrect
Question 10 of 25

10. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{x-2}{11}\)
- \(f⁻¹\left(x\right)=11x+2\)
- \(f⁻¹\left(x\right)=\frac{11}{x-2}\)
- \(f⁻¹\left(x\right)=11x+26\)
- \(f⁻¹\left(x\right)=\frac{x-2}{11}\)
Correct

Incorrect
Question 11 of 25

11. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{x}{2}-15\)
- \(f⁻¹\left(x\right)=2x+30\)
- \(f⁻¹\left(x\right)=2x+15\)
- \(f⁻¹\left(x\right)=\frac{2}{x-15}\)
- \(f⁻¹\left(x\right)=2\)
Correct

Incorrect
Question 12 of 25

12. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{x}{5}-13\)
- \(f⁻¹\left(x\right)=5x+65\)
- \(f⁻¹\left(x\right)=\frac{5}{x-13}\)
- \(f⁻¹\left(x\right)=5x+13\)
- \(f⁻¹\left(x\right)=5\)
Correct

Incorrect
Question 13 of 25

13. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{7x+3}{5}\)
- \(f⁻¹\left(x\right)=\frac{5x-3}{7}\)
- \(f⁻¹\left(x\right)=\frac{5x-7}{3}\)
- \(f⁻¹\left(x\right)=\frac{7x-3}{5}\)
- \(f⁻¹\left(x\right)=\frac{35-x}{7}\)
Correct

Incorrect
Question 14 of 25

14. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{4x+6}{7}\)
- \(f⁻¹\left(x\right)=\frac{7x-6}{4}\)
- \(f⁻¹\left(x\right)=\frac{4x-6}{7}\)
- \(f⁻¹\left(x\right)=\frac{7x-4}{6}\)
- \(f⁻¹\left(x\right)=\frac{28-x}{4}\)
Correct

Incorrect
Question 15 of 25

15. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{9x-3}{8}\)
- \(f⁻¹\left(x\right)=\frac{8x+3}{9}\)
- \(f⁻¹\left(x\right)=\frac{9x+3}{8}\)
- \(f⁻¹\left(x\right)=\frac{8x+9}{3}\)
- \(f⁻¹\left(x\right)=\frac{72+x}{9}\)
Correct

Incorrect
Question 16 of 25

16. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{4x-4}{5}\)
- \(f⁻¹\left(x\right)=\frac{5x+4}{4}\)
- \(f⁻¹\left(x\right)=\frac{5x}{4}+4\)
- \(f⁻¹\left(x\right)=\frac{4x+4}{5}\)
- \(f⁻¹\left(x\right)=\frac{20+x}{4}\)
Correct

Incorrect
Question 17 of 25

17. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\left(x-14\right)²\)
- \(f⁻¹\left(x\right)=\surd x+14\)
- \(f⁻¹\left(x\right)=\left(x-14\right)²\)
- \(f⁻¹\left(x\right)=\frac{x}{2}+14\)
- \(f⁻¹\left(x\right)=\surd x-14\)
Correct

Incorrect
Question 18 of 25

18. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\left(x-3\right)²\)
- \(f⁻¹\left(x\right)=\surd x+3\)
- \(f⁻¹\left(x\right)=\left(x-3\right)²\)
- \(f⁻¹\left(x\right)=\surd x-3\)
- \(f⁻¹\left(x\right)=\frac{x}{2}+3\)
Correct

Incorrect
Question 19 of 25

19. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\left(x+14\right)²\)
- \(f⁻¹\left(x\right)=\surd x-14\)
- \(f⁻¹\left(x\right)=\surd x+14\)
- \(f⁻¹\left(x\right)=\frac{x}{2}-14\)
- \(f⁻¹\left(x\right)=\left(x+14\right)²\)
Correct

Incorrect
Question 20 of 25

20. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\left(x+12\right)²\)
- \(f⁻¹\left(x\right)=\surd x-12\)
- \(f⁻¹\left(x\right)=\left(x+12\right)²\)
- \(f⁻¹\left(x\right)=\surd x+12\)
- \(f⁻¹\left(x\right)=\frac{x}{2}-12\)
Correct

Incorrect
Question 21 of 25

21. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\sqrt{\frac{x-8}{9}}\)
- \(f⁻¹\left(x\right)=9x²+8\)
- \(f⁻¹\left(x\right)=\sqrt{\frac{x-8}{9}}\)
- \(f⁻¹\left(x\right)=81x+64\)
- \(f⁻¹\left(x\right)=9x²-64\)
Correct

Incorrect
Question 22 of 25

22. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\sqrt{\frac{x+9}{8}}\)
- \(f⁻¹\left(x\right)=8x²-9\)
- \(f⁻¹\left(x\right)=\sqrt{\frac{x+9}{8}}\)
- \(f⁻¹\left(x\right)=64x-81\)
- \(f⁻¹\left(x\right)=8x²+81\)
Correct

Incorrect
Question 23 of 25

23. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{\sqrt{x+4}}{4}\)
- \(f⁻¹\left(x\right)=\left(4x\right)²-4\)
- \(f⁻¹\left(x\right)=\frac{4x-6}{7}\)
- \(f⁻¹\left(x\right)=4x²+4\)
- \(f⁻¹\left(x\right)=16x-4\)
Correct

Incorrect
Question 24 of 25

24. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{\sqrt{x-6}}{5}\)
- \(f⁻¹\left(x\right)=\left(5x\right)²+6\)
- \(f⁻¹\left(x\right)=5x²-6\)
- \(f⁻¹\left(x\right)=25x+6\)
- \(f⁻¹\left(x\right)=\surd x-14\)
Correct

Incorrect
Question 25 of 25

25. Question
\(\text{Find f⁻¹(x) when }f\left(x\right)=\frac{-2x-6}{-4x-1}\)
- \(f⁻¹\left(x\right)=\frac{x-6}{-4x+2}\)
- \(f⁻¹\left(x\right)=\frac{-x-6}{-4x-2}\)
- \(f⁻¹\left(x\right)=\frac{-4x+2}{-x-6}\)
- \(f⁻¹\left(x\right)=\frac{-4x-1}{-2x-6}\)
Correct

Incorrect

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