Kurva f(x) = -x^2 + bx - 21 mempunyai sumbu simetri x = 5.
Saluran Edukasion 2023-11-14T20:57:00
Kurva f(x) = -x^2 + bx - 21 mempunyai sumbu simetri x = 5. Nilai b =... A. 10 C. -5 B. 5 D. -10
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