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OpenStudy (anonymous):
If f(x) = 2x2 + 2, find f(5).
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OpenStudy (nubeer):
Subsitute x with 5 and solve it
OpenStudy (anonymous):
\[f(x) = 2x^2 + 2 \rightarrow f(5) = 2(5)^2 + 2 =2 \times 25 +2 = 50+2 =52\] Thus f(5) = 52
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