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OpenStudy (anonymous):
If f(x) = 2x2 + 4, find f(3). 22 16 −0.5 40
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OpenStudy (ivettef365):
substitute the x for 3 on equation f(x)
OpenStudy (anonymous):
22 by inspection.
OpenStudy (anonymous):
well f(x) means the number for x so just plug in the 3 into the x you will get the equation 2(3)^2 + 4 2(9) + 4 18 + 4 22
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