Question

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Spec.
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f(x) = x! × (½ × 80) + x²
f(4) =

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cara? sip
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Spec <3
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Answer 1

f(x) = x! × (½ × 80) + x²

f(4) = 4! × (½ × 80) + 4²

f(4) = 4(3)(2)(1) × (½ × 80) + 4(4)

f(4) = 4(3)(2) × (½ × 80) + 4(4)

f(4) = 4(6) × (½ × 80) + 4(4)

f(4) = 24 × 40 + 16

f(4) = 960 + 16

f(4) = 976

:)