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F(x)=2x-3
Ditanya:
Jika f(a)=27
a?
Dijawab:
F(x)=2x-3
F(a)=2a-3 *ganti x dengan a
27=2a-3
2a=27+3
a=30 : 2
a=15
Sekiranya membantu boleh dong jadi jawaban terbaik, becanda :pp
f(a) = 27
2a - 3 = 27
2a = 27 +3
2a = 30
a=15