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Mathematics
Let Z be the set of integers and f: Z arrow Z is a bijective function then
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Q. Let $Z$ be the set of integers and $f : Z \rightarrow Z$ is a bijective function then
Relations and Functions - Part 2
A
$f(x) = x^2 + 4$
20%
B
$f(x) = 2x + 3$
27%
C
$f(x) = x$
39%
D
$f(x) = x^3 + 3$
14%
Solution:
f(x) = x is identity function which is bijective