f(0)=f'(1)/e
f'(x)=f'(1)e^(x-1)-f(0)+x
f'(1)=f'(1)-f(0)+1=f'(1)-f'(1)/e+1
解得
f'(1)=e
f(0)=1
f(x)=e^x-x+1/2 x^2
令 f'(x)=e^x+x-1=0 解得 x=0
f''(x)=e^x+1>0,f'(x)单调递增
x>0 f'(x)>0 f(x)单调递增
x
f(0)=f'(1)/e
f'(x)=f'(1)e^(x-1)-f(0)+x
f'(1)=f'(1)-f(0)+1=f'(1)-f'(1)/e+1
解得
f'(1)=e
f(0)=1
f(x)=e^x-x+1/2 x^2
令 f'(x)=e^x+x-1=0 解得 x=0
f''(x)=e^x+1>0,f'(x)单调递增
x>0 f'(x)>0 f(x)单调递增
x