## Quick Reference

Greater than. The limit of a function at *a* from above is the limit of *f*(*x*) as *x* → *a* for values of *x*>*a*. It is of particular importance when *f* (*x*) has a discontinuity at *a*, i.e. where the limits from above and from below do not coincide. It can be written as *f*(*a*+) or *f* (*x*).

*Subjects:*
Mathematics.

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