问题
选择题
设函数f(x)=g(2x-1)+x2,曲线y=g(x)在点(1,g(1))处的切线方程为y=2x+1,则曲线y=f(x)在点(1,f(1))处的切线方程为 [ ]
A.x-6y-2=0
B.6x-y-2=0
C.6x-3y-1=0
D.y-2=0
答案
答案:B
设函数f(x)=g(2x-1)+x2,曲线y=g(x)在点(1,g(1))处的切线方程为y=2x+1,则曲线y=f(x)在点(1,f(1))处的切线方程为 [ ]
A.x-6y-2=0
B.6x-y-2=0
C.6x-3y-1=0
D.y-2=0
答案:B