Excuse me for the bad expression. We know that the sence variation of the composant of an decreasing function with a nonincreasing function is a decreasing function. But if f(x)={x^2} and g(x)=-2x+3 then we'll find the opposite whene x>3/2. I want to know where is the problem?? thank you.
2026-03-26 03:11:05.1774494665
about the sence of variation of a composant function
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