For all $x$ , compute $2^{x} + 2^{x} + 2^{x} + 2^{x}$ .

2^{x + 2}

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2^{x + 4}

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2^{3 x}

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2^{4 x}

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2^{5 x}

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Solution

The correct option is B $2^{x + 2}$
Given equation is $2^{x} + 2^{x} + 2^{x} + 2^{x}$
$\Rightarrow 4 \times 2^{x} \Rightarrow 2^{2} \times 2^{x} \Rightarrow 2^{x + 2}$

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