Prove or disprove the statement, if f(x) = f(y), then x=y

The given statement can be disproved by giving a simple counter-example

Using proof by contradiction method:

Let

Let

Let

As we can see that

This completes our proof by contradiction.

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )

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step-by-step explanation:

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