f(x)=2x2 is translated 2 units to the right and 1 unit up. If the resulting graph is g(x), then what is g(3)?
A
3
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B
11
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C
15
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D
26
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E
31
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Solution
The correct option is A3 y=f(x) is translated 2 units to the right. Hence, f(x) transforms to f(x−2). Then, it is translated 1 unit upwards. Hence the new function is g(x)=f(x−2)+1 ∴g(x)=2(x−2)2+1