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Answer :

[tex]f(x)=3(4^x)-1[/tex]

Let's find 2 points of the function:

[tex]\begin{gathered} x=0 \\ f(0)=3(4^0)-1=3-1=2 \\ ----------- \\ x=1 \\ f(1)=3(4^1)-1=12-1=11 \end{gathered}[/tex]

Since it is an exponential function, the graph will be given by:

View image DemariyaJ731371

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