Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Relations and Functions
If f(x) = 6 - 5x, ƒ : R → R, where R is a set of all real numbers, then f is:
1
only function
2
only one to one function
3
one to one and onto function
4
More than one of the above
5
None of the above