.
Diketahui:
f(x) = 4x² + 2x + 6
g(x) = 4x + 3
Tentukan:
1. f(x) + g(x) = ...?
2. 3 . f(x) + 2 . g(x) = ....?
Diketahui:
f(x) = 4x² + 2x + 6
g(x) = 4x + 3
Tentukan:
1. f(x) + g(x) = ...?
2. 3 . f(x) + 2 . g(x) = ....?
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Verified answer
Jawaban:
1. 4x² + 6x + 9
2. 12x² + 14x + 24
Penjelasan dengan langkah-langkah:
f(x) = 4x² + 2x + 6
g(x) = 4x + 3
1. f(x) + g(x) = (f + g)(x)
= (4x² + 2x + 6) + (4x + 3)
= 4x² + 6x + 9
2. 3(f(x)) + 2(g(x)) = 3(4x² + 2x + 6) + 2(4x + 3)
= 12x² + 6x + 18 + 8x + 6
= 12x² + 14x + 24