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Mathematics 18 Online
OpenStudy (joftheworld):

If x is an even number, the function f(x) = 2x − 1 gives an odd number. Identify the set of odd numbers corresponding to this set of even numbers: {0, 2, 4, 6, 8}. @SolomonZelman

OpenStudy (solomonzelman):

obviously that for any integer x, the f(x) is is odd

OpenStudy (solomonzelman):

plug in 0,2,4,6,8 and find out

OpenStudy (joftheworld):

what is f(x) ?

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