If {{MATH_1}} is differentiable and decreasing on {{MATH_2}}, then {{MATH_3}} on {{MATH_4}} {{CMD_5}} Think of {{MATH_6}} on {{MATH_7}}. {{MATH_8}} is differentiable and decreasing, but {{MATH_9}}. {{CMD_10}} {{CMD_11}} {{CMD_12}}True{{CMD_13}} {{CMD_14}}False{{CMD_15}} {{CMD_16}}