concave upward meaning in Chinese
凹面向上
凹线
Examples
- Find the critical number , point of inflection , relative extrema , increasing or decreasing interval , concave upward or downward interval of the function
找出此函数的端点,反曲点,相对极值,递增或递减区间,凹向上或凹向下的区间。
凹面向上
凹线