F(x)=2x - 5/x+3 Jika f(a)=-5 nilai a?
Matematika
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Pertanyaan
F(x)=2x - 5/x+3
Jika f(a)=-5 nilai a?
Jika f(a)=-5 nilai a?
1 Jawaban
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1. Jawaban habibie03
a = x
f(a) = 2x-5/x+3
-5 = 2x-5/x+3
-5(x+3) = 2x-5
-5x-15 = 2x -5
-5x-2x = 15-5
-7x = 10
x = -10/7 ..... kasih jawaban terbaik dong