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kiruha [24]
3 years ago
5

Find f(7) for the function below. F(x)=1/2 x 2^x

Mathematics
1 answer:
Anastasy [175]3 years ago
8 0

64

Step-by-step explanation:

\begin{aligned}\rm f(x)&=\rm\frac{1}{2}\times 2^x\\\rm f(7)&=2^{-1}\times 2^7\\&=2^{-1+7}\\&=2^{7-1}\\&=2^6\\&=2^6\\&=\bf 64\end{aligned}

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