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18-11-2021
Mathematics

contestada

For f(x) = 2x + 1 and g(x) = x2 - 7, find (f + g)(x).

For fx 2x 1 and gx x2 7 find f gx class=

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shimishiJohanan shimishiJohanan

19-11-2021

Answer:

(f+g)(x)=x²+2x-6

Step-by-step explanation:

(f+g)(x)=2x+1+x²-7

collect like terms

(f+g)(x)=x²+2x+1-7

according to mathematics x² is not a like term of 2x so don't add the them

(f+g)(x)= x²+2x-6

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