# Polynomials and Rational Expressions Question

**View this question.**

Add this question to a group or test by clicking the appropriate button below.

## Grade 12 Polynomials and Rational Expressions CCSS: HSA-APR.C.5

- [math]sum_{k=0}^n 1/(k!)[/math]
- [math]sum_{k=0}^n (k^n)/(k!) [/math]
- [math]sum_{k=0}^n (n!)/(k!) [/math]
- [math]sum_{k=0}^n (n-k)/(k!)[/math]