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mollybug16
Can some one help me find the domain and range of 1) f(x) = [[x]]-1 2) f(x) = |2x| 3) h(x) = |-x| 4) g(x) = |x| + 3
Domain of all four functions is {all real numbers} Range of functions 2 is [0, +infinity) Range of function 3 is (-infinity, 0] Range of function 4 is [3, +infinity) Range of the greatest integer function (num. 1) is {the integers}