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Given f(x) = 2x^2 +3x and g(x) = 5x^2 -2x-6 

what is (f+g) (x)

A. -3x^2 + 5x+6 

B. 7x^2 + X -6 

C. 10x^2 + X +6

D.3x^2 -5x-6 

 Mar 14, 2019
 #1
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0

f(x) = 2x^2 +3x and g(x) = 5x^2 -2x-6 

 

(f + g) (x)  means   f(x) + g(x)  =  [ 2x^2 + 3x ] + [ 5x^2 - 2x - 6 ]  =  7x^2 + x - 6

 

 

cool cool cool

 Mar 14, 2019

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