1. Describe all the x -values at a distance of 19 or less from the number 10 .

Please, enter answer in interval notation

2. Write down an equation for a rational function with the given characteristics.

Vertical asymptotes atx=1 and x=4, x-intercepts at (5,0) and (2,0), horizontal asymptote at y=4

Enclose numerators and denominators in parentheses. For example, (ab)/(1+n).ab/1+n.

Include a multiplication sign between symbols. For example, a*x

F(x) =