How to find Range of a function y = f(x) ? – InterviewSolution

1.

How to find Range of a function y = f(x) ?

Answer»

To find the range of a function y = f (x):

Step 1. Find the domain of the function y = f (x)

Step 2. Solve the equation y = f (x) to find x in terms of y.

Step 3. Find the real values of y for which x is real. The set of values of y so obtained makes up the range of f

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