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Tpy6a [65]
3 years ago
13

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

Mathematics
1 answer:
Elan Coil [88]3 years ago
3 0
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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