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Use f(x)=x+8 and g(x)=x+1 to find each of the following

Use  f(x)= x+8    and  g(x)= x+1     To find the following
 
 
A.     (f+g) (x)=   ?
B.     (f-g)   (x)=  ?
C.     (fg) (x)  = ?
D.    (f/g)  (x) =  ?
 
Simplify all answers
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1 Answer

Hi Again Bridget;

A. (f+g) (x)= ?
(f+g)(x)=(x+8)+(x+1)
(f+g)(x)=2x+9

B. (f-g) (x)= ?
(f-g)(x)=(x+8)-(x+1)
(f-g)(x)=7

C. (fg) (x) = ?
(fg)(x)=(x+8)(x+1)
(fg)(x)=x2+8x+1x+8=x2+9x+8

D. (f/g) (x) = ?
(f/g)(x)=(x+8)/(x+1)