/Al2_Lesson_10.1.

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y = 2(0.4)x +&#%"#,1%:20,#(9#,12(",")+%0#-,'%C3# #

y = !2(0.4)x +&#%"#,12(",")+%0#98"')+("#/8)#*,2*,&,")&#",+)$,*#

,12(",")+%0#5*(;)$#"(*#-,'%C#&+"',# #

a <0 3#

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y=3 2 # # # # # # # # #

x

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a.!y = 2(5)x # b.!y = 2(5)!x

# # # # <13##B3##O*+),#%"#,12(",")+%0#98"')+("#;$(&,#5*%2$#2%&&,&#)$*(85$#)$,#5+.,"# 2(+")&3##PI6BQ#%"-#P=6=EQ# # # # # # # # # # # # # # # #

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a.!(3 5 ) 3 b.!x 2 ! x 3 2 # c.!n 3 3 รท n 3

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?7$,"7-;&$4&*@2/0.-;&4$7&*+,$%"%-./0&12%3-.$%#& 49#/#+&#%#2(&+)+.,#"8:/,*#()$,*#)$%"#=6#)$,"# b x = b y +9#%"-#("0C#+9#1#R#C3# # A%"@2/0.-."#&6/B"&/&#.C.0/7&,7$,"7-;)& <13#E3##K(0.,3#

a.!!32n+1 = 81 b.!!4 2x = 8 x!1 # 1 n!6 c.!!2 " 16 5x 1!x d.!3 #81 = 9 x!3

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