関連ワード:
what if the second derivative is negative what happens if the second derivative is negative if the 2nd derivative is negative what does it mean if the second derivative is negative what is the concavity if the second derivative is negative what happens when the second derivative is negative what does it mean if the 2nd derivative is negative if the second derivative is negative is it a maximum if the second derivative is negative is it concave down if the second derivative is negative is it a max or min
