margaritef2020 margaritef2020
  • 22-12-2022
  • Mathematics
contestada

If f(x)=3x²-1 and g(x)=x+2, find (f+g)(x).
A. 4x² +1
B. 3x²+x+1
C. 3x²+x-1
D. 3x³ -2

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