# Math Help - I need help-discontinuity

1. ## I need help-discontinuity

I don't know if 3X^4 + 4X - 7 is discontinuous or not.
Thanks.

2. Originally Posted by sdinulescu
I don't know if 3X^4 + 4X - 7 is discontinuous or not.
Thanks.
All polynomials are continuous for all $x$. The only way it would possibly be discontinuous is if the domain is restricted.