What is the domain and range of $f(x) = tan(x) - 3$ ?

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Answer 1 · 2015-05-25T16:04:19

Within period (-pi/2, pi/2),

Domain of x: (-pi/2, pi/2). When $x = +- pi/2$ --> f(x) goes to infinity.

Range of f(x) = (-infinity, +infinity). When x = 0 ->tan x = 0 -> x = -3 graph{tan x - 3 [-10, 10, -5, 5]}

What is the domain and range of f(x) = tan(x) - 3f(x) = tan(x) - 3?