函数y=f(x)在点x0处的导数的几何意义是曲线y=f(x)在点P(x0,f(x0))处的切线的_____,也就是说,曲线y=f(x)在点P(x0,f(x0))处的切线的斜率是_______.相应地,切线方程为_____________________.
1.导数的几何意义
斜率
f′(x0)
y-f(x0)=f′(x0)(x-x0)