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What are the domain and range of the function f(x) = 3x + 5?

Jodi Brooks

in Mathematics

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Kathy Robinson on September 15, 2018

There is no restriction on the domain (x-values) as it is a line and is continuous for all real values of x, therefore the domain is:x=(-oo, +oo) or if you prefer: -oo≤x≤+ooSince there is no restriction on the domain also exists in this case no restriction of the variety.When x approaches -oo, and approaches -oo and as x approaches +oo, and approaches +oo, so the range is:y=(-oo, +oo) o-oo≤y≤+ooLastly could only say that the range and domain of both contain all real numbers.


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