Which input will result in an output of 12 for the following function? d (x) = x² + 3

asked Jul 4, 2023 16.8k views

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Which input will result in an output of 12 for the following function?
d (x) = x² + 3

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Answer:

$x=\pm 3$

Explanation:

$12=x^2 + 3 \\ \\ x^2 = 9 \\ \\ x=\pm 3$

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