diketahui fungsi f(x) 2x+3 dan g(x) 3x²-2x+5 nilai( gof )(-2)
Matematika
Suglixs
Pertanyaan
diketahui fungsi f(x) 2x+3 dan g(x) 3x²-2x+5 nilai( gof )(-2)
1 Jawaban
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1. Jawaban Anonyme
jawab
fungsi
f(x) = 2x + 3
g(x) = 3x² -2x + 5
gof (x) = 3(2x +3)² - 2(2x+ 3)+ 5
gof (-2) = 3(-4+3)² - 2(-4+23 + 5
gof (-2) = 3(1) - 2(-1) + 5
gof (-2) = 3 +2 + 5 = 10