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Test whether the following function is one to one, onto or both.
1 Answer
written 2.1 years ago by |
ANS:
$f : z \rightarrow z, f(x) = x^2 + x + 1$
Solution:
Let function f : z $\rightarrow$ z defined as
$f(x) = x^2 + x + 1$
1] Injective or one to one.
A function f : z $\rightarrow$ z is said to be an injective or …