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whenever a function is expressed in terms of another function,how do we find whether the function is increasing or decreasing?
say ,for example ,we have :
h(x)= f(2x)+f(x)
pls tell anyone,what procedure we need to follow to find whether the above given function is increasing/monotonically increasing or decreasing/monotonically decreasing.thanks !
say ,for example ,we have :
h(x)= f(2x)+f(x)
pls tell anyone,what procedure we need to follow to find whether the above given function is increasing/monotonically increasing or decreasing/monotonically decreasing.thanks !