wilmasue77 wilmasue77
  • 12-04-2018
  • Mathematics
contestada

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

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sqdancefan
sqdancefan sqdancefan
  • 03-04-2019

Answer:

  (f×g)(x) = 2x³ +x² -14x -7

Step-by-step explanation:

(f×g)(x) = f(x)×g(x) = (2x +1)×(x² -7)

  = 2x(x² -7) +1(x² -7)

  = 2x³ -14x +x² -7

(f×g)(x) = 2x³ +x² -14x -7

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