Consider functions \( f(x)=\sqrt{x} \) and \( g(x)=7 x+b \). If the function \( y=f o g(x) \) pa....

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Consider functions \( f(x)=\sqrt{x} \) and \( g(x)=7 x+b \). If
\( \mathrm{P} \)
the function \( y=f o g(x) \) passes through \( (4,6) \) then the
W.
value of \( b \) is
(1) 8
(2) -8
(3) -25
(4) \( 4-7 \sqrt{6} \)


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