In f: Z--->N (where N represents natural numbers and Z represents integers. For the function f(x) = 2|x|, find the pre-image of the set {10, 11, 12, ... , 19} Would it be {-9, -8, -7, -6, -5, 5, 6, 7, 8, 9}?
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Originally Posted by cantuba in f: Z--->n (where n represents natural numbers and z represents integers. For the function f(x) = 2|x|, find the pre-image of the set {10, 11, 12, ... , 19} would it be {-9, -8, -7, -6, -5, 5, 6, 7, 8, 9}? correct.
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