Jika f(x-5)=2x^2-3x+17 maka f(15)
Matematika
ovityas89
Pertanyaan
Jika f(x-5)=2x^2-3x+17 maka f(15)
1 Jawaban
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1. Jawaban newwiguna
f(x - 5) = 2x² - 3x + 17
x - 5 = 15
x = 15 + 5
x = 20
f(15) = 2(20)² - 3(20) + 17
= 2(400) - 60 + 17
= 800 - 60 + 17
= 757