f(x) =x²+3x f(-1)=… f(8)=…
Matematika
diana656
Pertanyaan
f(x) =x²+3x f(-1)=… f(8)=…
1 Jawaban
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1. Jawaban tuttus
f (-1) = (-1)² + 3·(-1)
= 1 - 3
= -2
f (8) = 8² + 3·8
= 64 + 24
= 88