Question

Q.


f(x) = x × x + x² - 6x
f(5) =

no ngasal
no copas
menggunakan cara

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Answer 1

• Ditanya:

f(x) = x × x + x² - 6x

f(5) = ...?

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• Penyelesaian:

f(x) = x × x + x² - 6x

f(5) = 5 × 5 + 5² - 6(5)

f(5) = (5 × 5) + (5 × 5) - (6 × 5)

f(5) = 25 + 25 - 30

f(5) = 50 - 30

f(5) = 20

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• Kesimpulan:

f(5) = ... 20

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