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Reyna Mccall
Mathematics
6 August, 20:24
If f (x) = 2x^2 + 3, find f (3).
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Frankie Owen
6 August, 20:26
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Now, in place of x, you'll have to substitute 3. So,
f (3) = 2*3^2+3
=2*9+3
=18+3
=21.
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