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OpenStudy (jessiegonzales):
what are the excluded values of the function? y=-2/5x+40
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OpenStudy (anonymous):
I'm assuming the problem is (2/(5x)) + 40. Remember, PEMDAS matters. 0. The fraction of (-2/(5x)) has to be a real number. Which means the denominator can't equal to 0. At x = 0, we get -2/0, which is not a real number.
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