What would the domain of

Question

Y=_/2x+14)/(x^2)-49 be?

(2x+14 is under a square root)

There's a hole but I do not know how to factor them

Answer 1

the domain is all reals except where the denominator is zero. So, when is

x^2-49 = 0

?

For the hole, note that 2x+14 = 2(x+7)