
Kevin D.
asked 03/01/16If f(x)=absolute x - 9, then find f(-x)
If f(x) = abs x -9 then what is f(-x). Please simplify answer.
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1 Expert Answer
Michael J. answered 03/01/16
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f(-x) means to evaluate f(x) when x=-x.
f(-x) = | -x - 9 |
f(-x) = | -x | - 9
The "| |" is the symbol to represent absolute value.
I wasn't sure on the interpretation of your function, since it is not clear, so I put the two possibilities.
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Andrew M.
03/02/16