F(\Xd7)=4\Xd7-5andg(\Xd7)=3\Xd7find (\Xd7)

F(×)=4×-5andg(×)=3×find (×)

Answer:

its easy

just put ( 3x ) where x is coming

f(x) = 4x-5

g(x)=3

f(3x)=4(3x)-5

    =12x-5

    =12x = 5

    = x =  \frac{5}{12}

thus value of x = \frac{5}{12}


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