Dik. : f(x) = 2ax + 3b f(2) = 17 f(5) = 29 Dit. : Tentukan! a = ....? b = ....? f(x) = ....? Tolong pakai cara
Matematika
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Pertanyaan
Dik. : f(x) = 2ax + 3b
f(2) = 17
f(5) = 29
Dit. : Tentukan!
a = ....?
b = ....?
f(x) = ....?
Tolong pakai cara
f(2) = 17
f(5) = 29
Dit. : Tentukan!
a = ....?
b = ....?
f(x) = ....?
Tolong pakai cara
1 Jawaban
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1. Jawaban fatimah3085
f(x) = ax + b
f(2) = 2a + b = 17
f(5) = 5a + b = 29
---------------------------(-)
- 3a = - 12
a = 4
2a + b = 17
2(4) + b = 17
8 + b = 17
b = 17 - 8
b = 9
f(x) = 4x + 9