Question

what is the range of f(x)=log(x)

Answer 1

y=log(x)
10^y = x
x can't be negative b/c number^2 = positive for any number
We can conclude that the domain of y = log(x) is:
x > 0
the range of y = log(x) is: (-infinity, infinity)
the vertical asymptote of y = log(x) is at x = 0.