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Question

f:RR is a function defined by f(x)=3x2+14x+12 then f(2)=

A
1312
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B
13
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C
1212
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D
12
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Solution

The correct option is D 12
f(x)=3x2+14x+12

f(2)=3(2)2+14(2)+12

=3×412+12

=12

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