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Remove these values from the set of all possible input values to find the domain of the function. What's a function domain example? For the function f(x) = 1/x, the domain would be all real numbers except for x = 0 (x<0 or x>0), as division by zero is undefined.
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PRACTICE PROBLEMS ON FINDING DOMAIN AND RANGE OF A FUNCTION. Find the domain and range of following modulus function. 1) f (x) = |x - 3|. 2) f (x) = 1 - |x - 2|. 3) f (x) = |x - 4|/ (x - 4) Solution. Answers : 1) Domain : R, Range : [0, ∞) 2) Domain : All the real values R, Range : (- ∞, 1] 3) Domain : R - {4}, Range : [-1, 1]
Domain. The domain of a function is the set of all possible values of the independent variable. That is, the domain is the set of all values of x that will cause the function to produce real values of y. To find the domain of a function, we remember the following: The denominator of a fraction cannot be equal to zero.
20 mar 2017 · 1. Set the expression in the denominator equal to 0. This will find the values, for which the function is undefined. 2. Solve for x. Let’s see some examples. Here’s an example for radical functions ( click here ): Find the domain of \f (x)=5\sqrt {x^2-9} 1. Set the expression inside the radical greater than or equal to 0. x^2-9≥0. 2.
Questions on finding domain of functions, including logarithmic , exponential, rational, square root and many other functions are presented along with their answers located in the lower part of the page.
Finding domain and range of different functions is often a matter of asking yourself, what values can this function not have? Pictures make it easier to visualize what domain and range are, so we will show how to define the domain and range of functions given their graphs.
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