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15-04-2018
Mathematics

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A) let f(x) = x + |2x − 5|. find all solutions to the equation f(x) = 4. (enter your answers as a comma-separated list. if an answer does not exist, enter dne.)

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Аноним Аноним

15-04-2018

f(x) = x + |2x - 5|
f(4) = 4 + |2(4) - 5|
f(4) = 4 + 3
f(4) = 7

Answer: 7

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