The value of x goes out to infinity, when it gets close to a.
This means that f(a)=infty
As x approaches a, the value of f(x) increases without bound.
The value of f(x) becomes infinite when x approaches a.
The limit exists and equals infinity.
The value of goes out to infinity, when it gets close to a
This means thatf(a=o
As approaches a, the value of f() increases without bound.
The value off(becomes infinite when approaches a
The limit exists and equals infinity