The maximum value of function f (x) = x / x + 2 in interval [2,4] is______ , the minimum value is________ (process) | Math enthusiast | Mathematical art

The maximum value of function f (x) = x / x + 2 in interval [2,4] is , the minimum value is__ (process)

f(x)=x/(x+2)=1-2/(x+2)
Obviously, f (x) is a monotone increasing function
So the maximum value is f (4) = 4 / 6 = 2 / 3
The minimum value is f (2) = 2 / 4 = 1 / 2

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