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22.06.2019 •
Mathematics
Given f(x)=3x2+4x and g(x)=2x2−x+1 . what is (f+g)(x) ? x^2+5x−1 −x^2−5x−1 5x^2+3x+1 6x^2−4x+1
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Ответ:
The value of (f+g)(x), Given f(x)=3x²+4x and g(x)=2x²−x+1 is 5x²+3x+1
Note that, (f+g)(x) is can also be expressed as f(x)+g(x).
⇒ From the expression,
f(x) = 3x²+4xg(x) = 2x²-x+1⇒ Then,
(f+g)(x) = (3x²+4x)+(2x²-x+1)⇒ Collecting like terms
(f+g)(x) = 3x²+2x²+4x-x+1(f+g)(x) = 5x²+3x+1Hence, The right answer is 5x²+3x+1
Therefore, The value of (f+g)(x), Given f(x)=3x²+4x and g(x)=2x²−x+1 is 5x²+3x+1
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Ответ:
5x^2 + 3x + 1: the answer is c
Ответ: