So, the domain is .
Let and .
is decreasing for all .
is decreasing for all and increasing for all .
Then is increasing for all and decreasing for all .
Consider the function f(x) = Log(1/2)(x^2 - 2x + 3) and determine :
( A ) Its domain.
( B ) The intervals where it is strictly increasing.
( C ) The intervals where it is strictly decreasing.
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