Question

how to find range of functions

Answer 1

If we have to find range of a function then we have to
Lower value + upper value / 2= range
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Answer 2

Overall, the steps for algebraically finding the range of a function are:

Write down y=f(x) and then solve the equation for x, giving something of the form x=g(y).

Find the domain of g(y), and this will be the range of f(x).

If you can't seem to solve for x, then try graphing the function to find the range