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f: R- R, f(x² + 3x) = -9x2 - 27x + 4 olduğuna göre, f(2) kaçtır?

A) -14 B) -13 C) -12 D) -11 E) -10​

Sagot :

Şeymarans

x²+3x gördüğümüz yere 2 yazacağız.

-9x²-27x → -9.(x²+3x)

f(2) = -9.2 + 4 = -18+4 = -14

Cevap: A

İyi çalışmalar dilerim.

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