2007-11-13 02:27:02 · 3 answers · asked by courtney f 1 in Science & Mathematics ➔ Mathematics
domain, all real numbers
range, 1 to infinity
2007-11-13 02:29:55 · answer #1 · answered by Matt 3 · 1⤊ 0⤋
Domain = all reals. Why? Because there's no reason why not.
Range is no more than all reals >= 1. Why? Because absolute values are >=0.
Indeed, that's exactly the range. Why? Because 2x takes all possible values, and so abs(2x) takes all non-negative values.
2007-11-13 07:53:43 · answer #2 · answered by Curt Monash 7 · 0⤊ 0⤋
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2016-10-16 08:57:49 · answer #3 · answered by thorton 4 · 0⤊ 0⤋