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1/3a=24-8
1/3a= 16
a= 16 : 1/3 = ...
f(2) = 1 = 2a+b
f(-2) = -7 = -2a+b
______________-
8= 4a
a= 8/4 = 2
1= 2a+ b
1 = 2x2 +b
1= 4+ b
b= -4+1 = -3
Maaf kalo salah ^^
yang nomor 14 itu aku gak yakin apa jawabannya.