What is the slope of the line whose function f satisfies f(-

来源：学生作业帮编辑：作业帮分类：数学作业时间：2024/11/05 22:00:52

What is the slope of the line whose function f satisfies f(-2)=1 and f(5)=-10?

设f(x)=kx+b,求k,就是直线的斜率.
f(-2)=-2k+b=1 一
f(5)=5k+b=-10 二
二式减一式：5k-(-2k)=-10-1
得出：k= -11/7
The slope of the line is -11/7

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