+0  
 
0
217
2
avatar+4690 

#11 Help.

 Feb 6, 2018

Best Answer 

 #2
avatar+7348 
+2

(f o g)(4)   =   f( g(4) )

 

g(x)   =   -2x - 6

g(4)   =   -2(4) - 6

g(4)   =   -8 - 6

g(4)   =   -14

 

(f o g)(4)   =   f( g(4) )   =   f( -14 )

 

f(x)   =   3x - 7

f( -14 )   =   3(-14) - 7

f( -14 )   =   -42 - 7

f( -14 )   =   -49

 

(f o g)(4)   =   f( g(4) )   =   f( -14 )   =   -49

 Feb 6, 2018
 #1
avatar+589 
0

Is "find (f * g)(4)" meant to be written in that way, or is it suppose to be (f * g)(x)?

 Feb 6, 2018
 #2
avatar+7348 
+2
Best Answer

(f o g)(4)   =   f( g(4) )

 

g(x)   =   -2x - 6

g(4)   =   -2(4) - 6

g(4)   =   -8 - 6

g(4)   =   -14

 

(f o g)(4)   =   f( g(4) )   =   f( -14 )

 

f(x)   =   3x - 7

f( -14 )   =   3(-14) - 7

f( -14 )   =   -42 - 7

f( -14 )   =   -49

 

(f o g)(4)   =   f( g(4) )   =   f( -14 )   =   -49

hectictar Feb 6, 2018

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