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Can you tell me how you would find domain and range of continous line. ..... If you set that equal to 0 and solve for x, then you have to point in the parabola…

www.purplemath.com/modules/fcns2.htm

Discusses the domain and range of a function, and how to find the domain and range ... So I'll set the denominator equal to zero and solve; my domain will be ...

www.intmath.com/functions-and-graphs/2a-domain-and-range.php

It's always a lot easier to work out the domain and range when reading it off the graph (but we must make sure we zoom in and out of the graph to make sure we  ...

www.varsitytutors.com/hotmath/hotmath_help/topics/domain-and-range-of-rational-functions

To find these x values to be excluded from the domain of a rational function, equate the denominator ... Another way is to sketch the graph and identify the range.

learnzillion.com/lesson_plans/8325-find-the-domain-and-range-of-a-function

In this lesson you will learn how to determine the domain or range of a function by considering sets, graphs, equations, and mappings.

www.coolmath.com/algebra/15-functions/06-finding-the-domain-01

... last section... Can we still find the domain and range? ... Algebra > Functions > Finding the Domain Without the Graph ... Set the denominator = 0 and solve!