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1.) mencari a
g(2) = 1 g(0) = -3
g(2) = 2a + b = 1....(persamaan i) g(0) = 0a + b = -3.....(persamaan ii)
kurangkan kedua persamaan tersebut.
2a + b = 1
0a + b = -3 -
2a = 4
a = 2
2.) mencari b
= 2a + b = 1
= 2(2) + b = 1 (masukkan nilai a yang sudah diketahui tadi)
= 4 + b = 1
= b = 1 - 4
= b = -3
c.) Masukkan nilai a dan b pada rumus fungsi
= g(x) = 2x - 3 (C)
maaf ya cuma no 31..
semoga membantu ^_^