f(x)=x+3 (gof)(x)=2x^2+4x-3 maka (fog)(1)=...
Matematika
majapad
Pertanyaan
f(x)=x+3
(gof)(x)=2x^2+4x-3
maka (fog)(1)=...
(gof)(x)=2x^2+4x-3
maka (fog)(1)=...
1 Jawaban
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1. Jawaban keruasriki
KOMPOSISI FUNGSI
g(f(x)) = 2x^2 + 4x - 3
g(x+3) = 2x^2 + 4x - 3
g(-2+3) = 2×(-2)^2 + 4×(-2) - 3
g(1) = 8 - 8 - 3
g(1) = -3
f○g(1) = f(g(1)) = f(-3) = -3+3 = 0