So I differentiated this object, this is my first derivative and I set it equal to 0 Now in a second I'm going to work with that, but I want to make sure i'm going to find a maximum and not a minimum, so how do I make sure I'm finding a maximum and not a minimum?

这样我就对它求出导数了,这是一阶导数,令它等于0,一会我们就要计算了,但我先确定一下是最大值还是最小值,我怎么确定是最大值还是最小值呢

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At this stage of my career, I’m not to the point where I’m actively finding clients myself.

在我现在的工作阶段，不是要找客户。

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I'm probably going to have to end up finding an internship for next summer,

我明年夏天可能也要找实习，

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As an amateur photographer I'm finding it not too different from what I did before - just more convenient.

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"I'm finding it difficult to deal with the pressure, I'm still trying to find my feet after Beijing, " said Adlington after the 4x200m relay final.

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But I'm finding that a novel takes much more organization, and I'm just lost.

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