A.a=1,b=-3,c=2 B.Ba≠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
在區(qū)間[0,8]上,對(duì)函數(shù)而言,下列中哪個(gè)結(jié)論是正確的?()
A.羅爾定理不成立 B.羅爾定理成立,且ξ一2 C.羅爾定理成立,且ξ=4 D.羅爾定理成立,且ξ=8
設(shè)曲線與直線x=-1的交點(diǎn)為為p,曲線在點(diǎn)p處的切線方程是:()
A.2x-y+2=0 B.2x+y+1=0 C.2x+y-3=0 D.2x-y+3=0