Jika f(×)=5×^2-4, maka nilai f(-2) adalah?
Matematika
Fadlan04
Pertanyaan
Jika f(×)=5×^2-4, maka nilai f(-2) adalah?
2 Jawaban
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1. Jawaban Anonyme
f(-2) = 5. -2 ^2 -4
=5 × 4 - 4
= 20 - 4
f(-2) = 16 -
2. Jawaban mksyfla
[tex]f(x) = 5 {x}^{2} - 4 \\ f( - 2) = 5. { - 2}^{2} - 4 \\ f( - 2) = 5.4 - 4 \\ f( - 2) = 20 - 4 \\ f( - ) = 16[/tex]