Question

Check the monotonocity of the given function.
f(x) = | x - 1 | + 2 | x - 3 | - | x + 2 | at x = -2, 0, 3, 5

Answer 1

|-x|=x
f(-2)=12
f(0)=5
f(3)=-3
f(5)=1

Answer 2

Answer:

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