# Math Help - Polynomial function

1. ## Polynomial function

Let k be the function k(x) = 2/x + 3/x+1. Show that k is a rational function by finding polynomials p and q such that k(x)= p(x)/q(x).

2. Originally Posted by asweet1
Let k be the function k(x) = 2/x + 3/x+1. Show that k is a rational function by finding polynomials p and q such that k(x)= p(x)/q(x).
get a common denominator and add the two terms ...

$\frac{2}{x} + \frac{3}{x+1}
$