Jika f(x) = (2+3x)(5-x). Hasil dari 4f(0)+f(2)
Matematika
Wildap
Pertanyaan
Jika f(x) = (2+3x)(5-x). Hasil dari 4f(0)+f(2)
2 Jawaban
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1. Jawaban mitsalinaznth
F(x) = (2+3x)(5-x)
> F(0) = (2+3(0))(5-0)
F(0) = 10
> F(2) = (2+3(2))(5-2)
F(2) = 24
4f(0)+f(2) = 4(10) + 24 = 64 -
2. Jawaban YoLuhan
F(x) = (2 + 3x)(5 - x)
= 10 - 2x + 15x - 3x^2
= -3x^2 + 13x + 10
F(0) = -3 . 0^2 + 13 . 0 + 10
= 0 + 0 + 10
= 10
F(2) = -3 . 2^2 + 13 . 2 + 10
= -12 + 26 + 10
= 24
MAKA:
4F(0) + F(2) = 4 . 10 + 24
= 40 + 24
= 64