Pada fungsi g(x) = 1/3 (x + 4), Jangan g(a) = -2 Maka nilai a = ..... A. -10 B. -6 C. -2 D. 2
Matematika
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Pertanyaan
Pada fungsi g(x) = 1/3 (x + 4),
Jangan g(a) = -2
Maka nilai a = .....
A. -10
B. -6
C. -2
D. 2
Jangan g(a) = -2
Maka nilai a = .....
A. -10
B. -6
C. -2
D. 2
1 Jawaban
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1. Jawaban LouiseTantri2008
g(x) = 1/3 (x + 4)
g (a) = 1/3 (a+4) = -2
= 1/3a + 4/3 = -2
=1/3a + 4/3 = -6/3
1/3a = -6/3-4/3
1/3a = -10/3
a = -10/3 ÷ 1/3
a = -10/3 × 3/1
a = -30/3
a= -10 (A)
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