F(2x-3)=5x+1 tentukan rumus f(x),f(5)+f(3)
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Pertanyaan
F(2x-3)=5x+1 tentukan rumus f(x),f(5)+f(3)
1 Jawaban
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1. Jawaban andhikahanif
f(2x - 3) = 5x + 1
f(x) = 5((x + 3) / 2) + 1
f(x) = (5x + 15) / 2 + 1
f(x) = (5x + 17) / 2
f(5) + f(3)
= (5(5) + 17) / 2 + (5(3) + 17) / 2
= (25 + 17) / 2 + (15 + 17) / 2
= 42/2 + 32/2
= 74/2
= 37