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Give the definition of what it means for a function, f(x)f(x), to be increasing on the interval ]...

Give the definition of what it means for a function, f(x)f(x), to be increasing on the interval ]a,b[]a,b[. Give the definition of what it means for a function, f(x)f(x), to be decreasing on the interval ]a,b[]a,b[. Note that your answer for (3) should be different from (2).

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fís said to be decre as 12

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