—I can't carry everything. Who can help me?—________.

题干

—I can't carry everything. Who can help me?

—________.

A：Yes, I can't

B：Sorry, I can't

C：Yes, it is

上一题下一题 0.0难度选择题更新时间:2019-09-22 09:01:37

若函数 $f (x) = x^{3} + x^{2} - 2 x - 2$ 的一个正数零点附近的函数值用二分法计算，其参
考数据如下：

f(1)=-2	f(1.5)=0.625	f(1.25)=-0.984
f(1.375)=-0.260	f(1.4375)=0.162	f(1.40625)=-0.054

那么方程 $x^{3} + x^{2} - 2 x - 2 = 0$ 的一个近似根（精确到0.1）为( )