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Question

What is the output of $x^{2} + 3 x + 5$ , where $x$ (variable) = $2$ ?

A

$11$

B

$12$

C

$13$

D

$15$

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Solution

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Correct option is D)

$x^{2} + 3 x + 5$
$= (2)^{2} + 3 \times 2 + 5$
$= 4 + 6 + 5$
$= 15$

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