How do you write $y = |2x - 4|$ as a piecewise function?

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Answer 1 · 2017-05-18T11:04:33

$y = |2x -4| = { (2x-4) if x >=2$ ,
$y = |2x -4| = { -(2x-4) if x <2$

$y=|2x -4|$

Critical point is $2x-4=0 :. x =2$

So $y=|2x -4|$ can be written as a piecewise function as

$y = |2x -4| = { (2x-4) if x >=2$ ,

$y = |2x -4| = { -(2x-4) if x <2$ , graph{|2x-4| [-10, 10, -5, 5]} [Ans]

How do you write y = |2x - 4|y = |2x - 4| as a piecewise function?