高中数学代数与函数一函数练习题64
题目内容

设函数 http://picflow.koolearn.com/upload/2010-11/09/dc6eb906-f886-490f-a3e3-3e569997a155/paper.files/image048.gif  http://picflow.koolearn.com/upload/2010-11/09/dc6eb906-f886-490f-a3e3-3e569997a155/paper.files/image049.gif,若 http://picflow.koolearn.com/upload/2010-11/09/dc6eb906-f886-490f-a3e3-3e569997a155/paper.files/image050.gifhttp://picflow.koolearn.com/upload/2010-11/09/dc6eb906-f886-490f-a3e3-3e569997a155/paper.files/image051.gif,则函数 http://picflow.koolearn.com/upload/2010-11/09/dc6eb906-f886-490f-a3e3-3e569997a155/paper.files/image052.gif的零点的个数为(     )

2021-08-03

A.1

B.2

C.3

D.4

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