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f(x)=5x+7

g(x)=2-3x

find (f+g)(x)

(f-g)(x)

(fg)(x)

(ff)(x)

 Dec 5, 2015

Best Answer 

 #3
avatar+130544 
+10

(f - g) (x)   =

 

f(x)  - g(x)  =

 

[5x + 7 ] -  [2 - 3x]  =

 

5x + 7 - 2 + 3x  =

 

8x + 5

 

 

 

cool cool cool

 Dec 5, 2015
 #1
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0

jk i got it

 Dec 5, 2015
 #2
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0

Nevermind. How is (f-g)(x) not 2x+5? What is the answer to (f-g)

 Dec 5, 2015
 #3
avatar+130544 
+10
Best Answer

(f - g) (x)   =

 

f(x)  - g(x)  =

 

[5x + 7 ] -  [2 - 3x]  =

 

5x + 7 - 2 + 3x  =

 

8x + 5

 

 

 

cool cool cool

CPhill Dec 5, 2015

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