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Mathematics
Simone Potter
11 January, 16:16
If f.) = 2x2 + 1, what is f (x) when x = 3?
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Carina Wallace
11 January, 19:25
0
19
Step-by-step explanation:
f (x) = 2x^2 + 1
Let x = 3
f (3) = 2 (3) ^2 + 1
= 2 * 9 + 1
= 18 + 1
= 19
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