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

1 Answer

May 25, 2015

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

Domain of x: (-pi/2, pi/2). When $x = \pm \frac{π}{2}$ $x = +- pi/2$ --> 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]}

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