![]() ![]() The output quantity is “thousands of barrels of oil per day,” which we represent with the variable \(b\) for barrels. The input quantity along the horizontal axis is “years,” which we represent with the variable \(t\) for time. How do you find the domain and range on a calculator?Įnter input in the specified box and click on the calculate button to display output.\): Graph of the Alaska Crude Oil Production where the vertical axis is thousand barrels per day and the horizontal axis is years (credit: modification of work by the U.S. What is the difference between domain and range?ĭomain is all the values that go into function and range is all values that come out.ĭomain and range are always written from smaller to larger values or from left to right for domain and from bottom to the top of the graph for range.ĥ. The range is the set of all possible output values (commonly the variable y or f(x)), which result from using a particular function.ģ. ![]() The domain of the radical equation is any x value for which the sign is not negative.ĭomain is a set of all values for which the function is mathematically defined. Range is all real numbers such that f(x)>=-2 Square root must be always positive or zero What are the domain and range of the function f(x)=-2 sqrt(x 5)? This means, the function is not defined when y=-5 and x=-1 Substitute the x=-1 in the above equation So, the domain is all real numbers except -1 We can say that the function is not defined at x=-1īecause when we substitute -1for x, we get zero in the denominator Question1: Find the domain and range of the function y=x 2-3x-4/x 1
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