Composition and inverse functions Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | D 3 | Easy | Solved step by step |
| 2 | 12 | Easy | Solved step by step |
| 3 | x − 4 | Easy | Solved step by step |
| 4 | x + 9 | Easy | Solved step by step |
| 5 | 2x2 − 5 | Medium | Solved step by step |
| 6 | 3x + 2 | Medium | Solved step by step |
| 7 | (x + 5)/3 | Medium | Solved step by step |
| 8 | (7 − x)/2 | Medium | Solved step by step |
| 9 | x2 − x | Harder | Solved step by step |
| 10 | 4x + 12 | Harder | Solved step by step |
Grade
Count your right answers and divide by the number of questions: A 90% or more, B 80%, C 70%, D 60%, F below 60%.