Frequent Questions about our Solver

The problem

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Im trying to solve a rational function and graphing it. How do I solve that? f(x)

Answer provided by our tutors

If you need to graph a function (e.g., f(x)=x^2 ) rewrite it as an equation (e.g., y=x^2 ), since the general functional notation is not supported and an entry of f(x) will be interpreted as the variable f multiplied the variable x, in parentheses.

Simply replace the equation's left hand-side with a variable, for example 'y', that does not appear in the function definition.

So, in this case we will replace f(x) = 1/(x + 1) with y = 1/(x + 1):

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