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A Discerning Function

Algebra Level 3

$f(x,y)=\frac{x+y}{2}+\frac{|x-y|}{2}$

What is the output of the function above?

Whichever is lower,

x

or

y

Depends on whether

x

and

y

are positive or negative Whichever is higher,

x

or

y

The average of

x

and

y

View solutions

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by Nicholas James

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