(Both of these functions can be extended so that their domains are the complex numbers, and the ranges change as well. The sine function takes the reals (domain) to the closed interval (range). For example, the function takes the reals (domain) to the non-negative reals (range). As we have seen earlier, the range of any log. Solution: For finding domain, set the argument of the function greater than 0 and solve for x. Domain Range Vertex Periodicity Amplitude Shift. The values taken by the function are collectively referred to as the range. The range of any log function is the set of all real numbers (R) Example: Find the domain and range of the logarithmic function f(x) 2 log (2x - 4) + 5. Free pre calculus calculator - Solve pre-calculus problems step-by-step. Informally, if a function is defined on some set, then we call that set the domain. For example, a function that is defined for real values in has domain, and is sometimes said to be "a function over the reals." The set of values to which is sent by the function is called the range. The domain of a function,, is most commonly defined as the set of values for which a function is defined.
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