阶段一,阶段二,阶段三,学业分层测评,3.4,函数应用,3,4.1,函数与方程,第,1,课时函数零点,1/33,2/33,0,实数,x,实数根,横坐标,3/33,4/33,f,(,a,),f,(,b,)0,(,a,,,b,),上有零点,5/33,6/33,7/33,8/33,求函数零点,9/33,10/33,11/33,12/33,13/33,14/33,XXX,零点存在性定理及其应用,15/33,16/33,17/33,18/33,19/33,方程零点个数判断,20/33,21/33,22/33,23/33,24/33,25/33,26/33,27/33,28/33,29/33,30/33,31/33,32/33,33/33,