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Bab FungsiMatematika SMP Kelas VIII
f(x) = px + q
f( 1 ) ...= p + q = 4
f(-2) = -2p + q = 1
............----------------- -
.....................3p = 3
........................p = 1
p + q = 4
1 + q = 4
q = 4 - 1
q = 3
jadi, p = 1 dan q = 3
✩✩ B ✩✩