Posted by Rachel on Monday, December 17, 2012 at 9:11pm.
How do you find the domain and range from y=3x^3+4x^25?

Math  Reiny, Monday, December 17, 2012 at 9:53pm
the domain is the set of real numbers
Since there are no operators such as square roots and no variable denominators, and knowing the general shape of a cube, we can see that the range
must also be the set of real numbers.
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