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What is (f+g)(x)?

f(x) = x^3 -x

g(x) =x^3+2x^2-10

 

(f+g)(x) = ?

 Mar 15, 2019
 #1
avatar+111455 
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(f + g)(x)  means  f(x) + g(x)  = [ x^3 - x ] + [ x^3 + 2x^2 - 10 ]  =  2x^3 + 2x^2 - x - 10

 

 

cool cool  cool

 Mar 15, 2019

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