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

Mathematics

1 answer:

Flauer [41]2 years ago

7 0

Answer:

$x=\pm 3$

Step-by-step explanation:

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

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