Asked • 11/18/19

What is the difference between domain of x/x and 1?

if f(x) = x/x and g(x) = 1, then f(x) = g(x). But why is the domain of f(x) is all non-zero all real number and g(x) is all real number?

1 Expert Answer


Evan M. answered • 11/18/19

5 (28)

Software Engineer with an M.S. in Structural Engineering

So if f(x) = 2x, and g(x) = x And I was asked to evaluate f(x)/g(x), is the domain of the result based on the new expression 2x/x or x?


Evan M.

Based on the new expression, since it's asking for the domain of the 'result' aka the domain of 2x/x


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