Express the absolute value function f(x)=7|x| as a piecewise-defined function.

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asked Apr 12, 2024 86.9k views

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Meisenman · Answer 1 · 2024-04-19T04:19:26+0000

Okay so you have for f(x) = 7x for x>=0
And f(x) =7(-x) =-7(x) for x<=0.
It’s usually written as f(x) ={ with both outputs and conditions inside the bracket if that makes sense!

Express the absolute value function f(x)=7|x| as a piecewise-defined function.

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