Drawing a Graph
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Q.
The number of real roots of (x−1)4+(x+1)4=16 is :
0
None
1
2
Q. Let f(x)=[x]+1{x}+1, for f:[0, 52)→(12, 3] where [x] denotes greatest integer function and {x} denotes fractional part function, then which of the following is/are true?
- f(x) is one - one function
- f(x) is onto but not one - one function
- f(x) is a bijective function
- f(x) is symmetric about x=54