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OpenStudy (anonymous):
what is the domain and range of y=2x+6
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OpenStudy (cgreenwade2000):
To find the domain, look at the problem. If you can substitute any real number in for x, and get a real number for y. then the domain is all real numbers.
OpenStudy (cgreenwade2000):
If you know what the line looks like, it's easy to see the domain and range. The range is the same because you can plug in any real number and see that you'd get a real number for x.
OpenStudy (anonymous):
so the domain is (- infinity, infinity)
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