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How would I restrict this inverse's domain so it can become a function? y = |x|

Sagot :

Answer:

You can restrict the inverse function y = |x| to make it a one-to-one function by restricting the domain to either positive or negative values. This can be done by setting a condition on the x-values that are allowed.

For example, if we want to restrict the domain to positive values, we can define the function as:

f(x) = |x|, for x >= 0

This will make the inverse function one-to-one, since each positive x-value will now only correspond to one unique y-value (i.e. the absolute value of x).