1. f(x)= x²+2x-1, f(-2)= (-2)²+2(-2)–1 =4–.....–.... =......
Matematika
silvi427
Pertanyaan
1. f(x)= x²+2x-1, f(-2)= (-2)²+2(-2)–1
=4–.....–....
=......
=4–.....–....
=......
1 Jawaban
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1. Jawaban angelinaoctavioy4j7p
f(x) = x²+2x-1
f(-2) = (-2)² + 2(-2) -1
= 4-4-1
= -1