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Question

If f(x)=2x−1,g(x)=x2 then (3f−2g)(x)=

A
5xx2+9
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B
6x5x24
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C
2xx23
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D
6x2x23
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Solution

The correct option is C 6x2x23
3f(x)2g(x)
=3(2x1)2(x2)
=6x2x23

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