Consider the following functions. f(x) = x − 2, g(x) = x2 Find (f + g)(x)

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Consider the following functions.
f(x) = x − 2,     g(x) = x2
Find 
(f + g)(x)
 
 

Find the domain of 
(f + g)(x).
 (Enter your answer using interval notation.) 
 

Find 
(f − g)(x).
 
 

Find the domain of 
(f − g)(x).
 (Enter your answer using interval notation.) 
 

Find 
(fg)(x).
 
 

Find the domain of 
(fg)(x).
 (Enter your answer using interval notation.) 
 

Find 
f
g
(x).
 
 

Find the domain of 
f
g
(x).
 (Enter your answer using interval notation.) 
Jul 16th, 2015

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Jul 16th, 2015

we have : 

f(x) = x − 2, g(x) = 

Find 

(f + g)(x) = x²  + x - 2 




Find the domain of 

D(f + g) = ]-infini , 0]U[0 , +infini [

 (Enter your answer using interval notation.) 



Find 

(f − g)(x) = -x² + x - 2 




Find the domain of 

D(f − g) = ]-infini , 0]U[0 , +infini [

 (Enter your answer using interval notation.) 



Find 

(fg)(x) = x^3 + 2x²




Find the domain of 

D(fg)(x) =   ]-infini , 0]U[0 , +infini [

 (Enter your answer using interval notation.) 



Find 

f/g(x)= (x − 2) / x²




Find the domain of 

 D(f/g) =   ]-infini , 0[U]0 , +infini [

 (Enter your answer using interval notation.) 


just ask if you find a deffucult 

Good Luck 


Jul 16th, 2015

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