已知函數(shù)f(x)=2x3-6x2+m(m為常數(shù))在[-2,2]上有最大值3,則該函數(shù)在[-2,2]上的最小值是()
A.3 B.-5 C.-40 D.-37
A.10arctan2-31n2 B.(5/2)π-3 C.10arctan3-3ln3 D.10arctan(1/3)
點(0,1)是曲線y=ax3+bx+c的拐點,則a、b、c的值分別為()
A.a=1,b=-3,c=-2 B.a≠0的實數(shù),b為任意實數(shù),c=1 C.a=1,b=0,c=2 D.a=0、b為任意實數(shù),c=1