bobokitty bobokitty

08-03-2017
Mathematics

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Y'all, I really need help here. Can y'all help me with this question?

Yall I really need help here Can yall help me with this question class=

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Аноним Аноним

08-03-2017

f(g(x)) = squareroot(7x+ b)
passes thru (4,6)
6 = squareroot{7(4)+ b}
6 = squareroot(28 + b)
6^2 = 28 + b
b = 36 - 28
b = 8

answer is A. 8 (first choice)

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