f(x) = 10x - 5x + 2
f(2) = ??
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f(2) = ??
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f(x) = 10x - 5x + 2
Maka, Nilai f(2)
f(2) = 10(2) - 5(2) + 2
f(2) = (10 × 2) - (5 × 2) + 2
f(2) = 20 - 10 + 2
f(2) = 10 + 2
f(2) = 12
Penjelasan dengan langkah-langkah:
f(x) = 10x - 5x + 2
f(2) = 10·2 - 5·2 + 2
f(2) = 20 - 10 + 2
f(2) = 12
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