單項(xiàng)選擇題

點(diǎn)(0,1)是曲線(xiàn)y=ax3+bx+c的拐點(diǎn),則a、b、c的值分別為()

A.a=1,b=-3,c=-2
B.a≠0的實(shí)數(shù),b為任意實(shí)數(shù),c=1
C.a=1,b=0,c=2
D.a=0、b為任意實(shí)數(shù),c=1


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A.-1/f″(t)
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4.單項(xiàng)選擇題

(x+ex的值是:()

A.e
B.e
C.1
D.2