What's the domain of f(x) = 3x/x^2+64

If you could answer these your a life saver

Use the ratio test to determine whether ∑n=14∞n+2n! converges or diverges. (a) find the ratio of successive terms. write your answer as a fully simplified fraction. for n≥14, limn→∞∣∣∣an+1an∣∣∣=limn→∞.

Every night nathan has to read for at least 25 minutes write and inequality that shows how long nathan can read each night