Suppose f(×) = 2^×, sketch a graph of f(×) and f^-1(×)
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Answer:
First of all you need to know the it's equal to 2 and
which is the number is between 1 and 2 and between that number there maybe the possibilities of above 0.5 or under 0.5
After that Figure out which one was bigger? or
? The answer is
and
also near to
so it should be above 0.5 .
So we know that is between 1 and 1.5.
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