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  • 17-04-2017
  • Mathematics
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Please tell me what the value of b is! I need help!!

Please tell me what the value of b is I need help class=

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kgiles4 kgiles4
  • 17-04-2017
put g(x) inside the equation of f(x)
y=---/(7x+b)
plug in the coordinates of x and y
6=--/(7(4)+b)
and then get b alone
(6)^2=(--/(28+b))^2
  36=28+b
-28  -28
--------------- subtract 28 from both sides
8= b
A is the answer
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