Question

Question
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f(x) = x² × x(x) + 8
f(20) = ...

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Answer 1

f(x) = x² × x(x) + 8

f(20) = 20² × 20(20) + 8

f(20) = (20 × 20) × (20 × 20) + 8

f(20) = 400 × 400 + 8

f(20) = 160000 + 8

f(20 = 160.008

Answer 2

Diketahui:

• f(x) = x² × x(x) + 8

Ditanya:

• f(20) = ?

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PENYELESAIAN :

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• f(x) = x² × x(x) + 8

• f(20) = 20² × 20(20) + 8

• f(20) = (20 × 20) × 20(20) + 8

• f(20) = 400 × 20(20) + 8

• f(20) = 400 × (20 × 20) + 8

• f(20) = 400 × 400 + 8

• f(20) = 160.000 + 8

• f(20) = 160.008

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kesimpulan:

f(20) = 160.008

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