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Consider the function f(x)=√−x2+4x+5.
Find the domain and range of f.
the domain of f,
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the range of f.
A second function h is defined bt h(x)=f(x) for x<a.
Find the largest possible value of a such that h−1 exists.
For the value of a found in (b), find h−1(x).
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