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

Help please. I really don’t know this one...-example-1
User Sovas
by
8.0k points

1 Answer

5 votes
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
User Chinh Nguyen
by
8.4k points
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