TrinhV243308 TrinhV243308

29-10-2022
Mathematics

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g(a)=a^2-3 Find (g*g)(a)Potential answers:A) 4a+15 B) a^4-6a^2+6C) 9aD) 9a+4

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OlaN602753 OlaN602753

29-10-2022

Given:

[tex]g(a)=a^4-3[/tex]

The expression to calculate g(g(x)) is,

[tex]\begin{gathered} g(g(a))=(a^2-3)^2-3 \\ =a^4-2\times3a+9-3 \\ =a^4-6a+6 \end{gathered}[/tex]

Thus, the correct option is option B.

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