f(x) = x² × 7x + 3(x) - 72
f(5) = . . .
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f(5) = . . .
f(x) = x² × 7x + 3(x) - 72
f(5) = 5² × 7(5) + 3(5) - 72
f(5) = 5 × 5 × ( 7 × 5 ) + ( 3 × 5 ) - 72
f(5) = 25 × 35 + 15 - 72
f(5) = 875 + 15 - 72
f(5) = 890 - 72
f(5) = 818
⃢~ Opung~⃠⃫⃟⃤᳗᳐
Jawaban:
f(x) = x² × 7x + 3(x) - 72
f(5) = 5² × 7(5) + 3(5) - 72
= (5 × 5) × (7 × 5) + (3 × 5) - 72
= 25 × 35 + 15 - 72
= 875 + 15 - 72
= 890 - 72
= 818
[answer.2.content]
