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In a more general case this happens if you deal with a strictly monotonously fallingmonotonic decreasing function like f(x) = -x or f(x) = 1/x (in the positive or negative numbers).

In a more general case this happens if you deal with a strictly monotonously falling function like f(x) = -x or f(x) = 1/x (in the positive or negative numbers).

In a more general case this happens if you deal with a strictly monotonic decreasing function like f(x) = -x or f(x) = 1/x (in the positive or negative numbers).

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In a more general case this happens if you deal with a strictly monotonously falling function like f(x) = -x or f(x) = 1/x (in the positive or negative numbers).