2.4 幂函数（练案二）-2020年高中同步教与学数学（江苏版必修1）

书书书 ! ! " ! #$%&'()*+#$ !!" ! !"# ! # $% " " !"# # ! $%&'() "! !"#$%&'(#$)' ! !! " #! " $槡# %!"$#槡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`a0b .! c(#$ " $# *( )/0defg ( hijk)#$- !! !! ! 2! 9/lR ' " m ' ( no'#$ " $# ( H " $# ) A`C0bG )/0 # 4C*p ! !! " #! ) % ( % + %! ( % ) % + '! ) & ( & + )! ( & ) & + 3! JK $ ! #$ " $# & )/0VW23q%rXY % " #$ " $ # / )/0VW " sqsXY % # #$ " $ " # ! # ' + " )/0V WQR " $# qsXY # t%LMJK)h$ !!!! ! "+! #$ " $# ! ! !# % " )/0 # N + % # % " O # AQR " $# )u v $ N # & " O # A Q R " $# ) ! v # 4 ! ) 5 6 7 8 ' !!! ! ""! .#$ * ! # " $# & ! # # & "# 4#$ " $ * ! *# " At*+,u ' ! !! " #! iwxy)@#$ %! iwxy)?#$ '! iwx[)@#$ )! iwx[)?#$ "(!+ " $ ! " " ( ( & + ( $ ! " ( 0 ( & + & $ ! " " ( " & # 4!"VFz%LM )' ! !! " #!+ " % + ( % + & %!+ & % + " % + ( '!+ ( % + & % + " )!+ ( % + " % + & " ,-# # ! $%&'./0 "&! {| *" % & % + # 4 ! !! " #!+!( & & ! " " ( & & ( & %!( & & +!( & & ! " " ( & '! ! " " ( & & +!( & & ( & )!( & & ! " " ( & & +!( & "/! {|(#$ " $ ! $ ( *$*" " # $ ( *($*& # N # # ! + # , - " O- y#$ # 4}$ $ )6- !!!! ! "0! {| &$# ! # ,$# ! ( # -$# " ! # # # ! + # " "# !# ! + # " " ! 4 & & , & - ) \~��' !!!! ! "1! {|(#$ * ! # " $# * " ( # . * ! &," " % * ! "+*(& "# 4 & )5 678' !!!! ! ' " ' !" !!! #$ !!!!!!!!!!!!!!!!!!!!!!! %&'()*+ ! ,- " . # /0 ".! #$ " $ ( #," ( *" )[��' !!!! ! "2! .#$ " $ * ! # " $# / 0 # . ! # " $#*( # 4 " $ * ( . ! # ") )iw[ ��- ! " ,-# ! ! $%&01',-23 "3! � !# *( # *" # * " ( # " & # " ( # " # ( # * + & # 4� * ! # " $# ! -?