Tip:A–D to answerE for explanationV for videoS to reveal answer
Let f(x)=x−[x], x∈R, [,] denotes the greatest integer function.
Then f!(21) is:
- A.
21
(Correct Answer) - B.
1
- C.
0
- D.
-1
Explanation
1. Function Definition
2. Substitution
At x=21:
3. Greatest Integer Value
4. Calculation
Final Result
Explanation
1. Function Definition
2. Substitution
At x=21:
3. Greatest Integer Value
4. Calculation
Final Result
