2. 外语
  3. There is a curve y=x3+ex, then how many is me y-intercepe of the curve?

There is a curve y=x3+ex, then how many is me y-intercepe of the curve?

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问题 There is a curve y=x3+ex, then how many is me y-intercepe of the curve?
选项 A、0
B、1+e
C、e
D、1
E、-1
答案D
解析 求y轴上的截距必然横坐标x为0，把x=0代入曲线方程y=x3+ex得到y=1。
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