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Let f(x) = x - 3 and q(x) = bx +1. If f(q(1)) = -3, what is b?

 

Thanks again

WhichWitchIsWhich  Nov 3, 2017

Best Answer 

 #1
avatar+5256 
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q(1)  =  b(1)  + 1   =   b + 1

 

f( q(1) )  =  f( b + 1 )  =  (b + 1) - 3   =  b - 2

 

f( q(1) )  =  -3

 

b - 2  =  -3

 

b  = -1

hectictar  Nov 3, 2017
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1+0 Answers

 #1
avatar+5256 
0
Best Answer

q(1)  =  b(1)  + 1   =   b + 1

 

f( q(1) )  =  f( b + 1 )  =  (b + 1) - 3   =  b - 2

 

f( q(1) )  =  -3

 

b - 2  =  -3

 

b  = -1

hectictar  Nov 3, 2017

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