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Compare f(3) and g(3)
f(x) = - 2 ({2})^(x)f(3) is =, >, or < than g(3)

Compare f(3) and g(3)f(x) = - 2 ({2})^(x)f(3) is =, >, or < than g(3)-example-1
User Afsara
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1 Answer

3 votes

From the table, we know that:


g(3)=-20

Substitute x=3 into the rule of correspondence of f to find f(3):


\begin{gathered} f(x)=-2(2)^x \\ \Rightarrow f(3)=-2(2)^3 \\ =-2(8) \\ =-16 \end{gathered}

Since f(3)=-16 and g(3)=-20, and -20<-16, then:

[tex]g(3)
User Xenolion
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