设f(x)=(2+|x|)sin(x)在x=0处设f(x)=(2+|x|)sin(x),则f(x)在x=0处 ( )A)f ' (0)=2 B) f ' (0)=0C) f ' (0)= 1 D) 不可导应该选哪个啊?

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设函数 f(x)=sin(2x+y),(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f x=SIN(2X+φ)(-π 设函数f(x)=sin(2x+∮)(-兀 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(0 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+ φ)(-π 设函数f(x)=sin(2x+φ)(-π 设函数f(x)=sin(2x+ φ)(-π 设函数f(x)=sin(2x+φ)(-π 设f(x)=sin^2 x+asin^2 (x/2),求f(x)最大值 设f(x)={sinπx(x 设f(x)={sinπx(x 设 f(x)= {sinπx(x