Jawaban:
f(x) = x² + 10x
f(9) = 171
Penyelesaian :
f(9) = 9² + 10(9)
f(9) = (9 × 9) + (10 × 9)
f(9) = 81 + 90
f(9) = 81 + (10 × 9)
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Jawaban:
f(x) = x² + 10x
f(9) = 171
Penyelesaian :
f(x) = x² + 10x
f(x) = x² + 10x
f(9) = 9² + 10(9)
f(9) = (9 × 9) + (10 × 9)
f(9) = 81 + 90
f(9) = 171
f(x) = x² + 10x
f(9) = 9² + 10(9)
f(9) = (9 × 9) + (10 × 9)
f(9) = 81 + (10 × 9)
f(9) = 81 + 90
f(9) = 171
Kesimpulan :
f(9) = 171