KevinValdezz KevinValdezz

29-10-2017
Mathematics

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Help please. I really don’t know this one...

Help please I really dont know this one class=

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MathisLif3 MathisLif3

29-10-2017

f(g)=sqrt(7x+b)
f(g(4))=sqrt(7*4+b)=6
sqrt(28+b)=6
28+b=36
b=36-28
b=8 which is A

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