Continuous on an open interval?

[bhsmith]

Homework Statement

Is t^2, -2t and 2 continuous on an open interval?

Homework Equations

I have re read the theorems and explanations of how something is continuous but i still don't understand it.

The Attempt at a Solution

 

[LCKurtz]

Homework Statement

Is t^2, -2t and 2 continuous on an open interval?

Homework Equations

I have re read the theorems and explanations of how something is continuous but i still don't understand it.

The Attempt at a Solution

Yes. Any polynomial is continuous on an open interval.