Jika f(2x) = 3x + 4 maka f(2) =
Matematika
Wahyu7453
Pertanyaan
Jika f(2x) = 3x + 4 maka f(2) =
1 Jawaban
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1. Jawaban rikkihutasoit
f(2x) = 3x + 4
U =2x
2u=x
f (u) = 3x+4
f (u) = 3 (2u) +4
f (u) = 6u +4
= 3u +2
f (2) = 3 (2) +2
=8