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19 votes
PLEASE HELP.................................................

PLEASE HELP.................................................-example-1

2 Answers

2 votes
  • f(x)=x/2-3=x-6/2


\\ \tt\longmapsto (f+g)(x)=f(x)+g(x)

  • Put values


\\ \tt\longmapsto (x-6)/(2)+4x^2+x-4


\\ \tt\longmapsto (x-6+8x^2+2x-8)/(2)


\\ \tt\longmapsto (8x^2+3x-14)/(2)


\\ \tt\longmapsto 4x^2+(3)/(2)x-7

User Otis Wright
by
8.3k points
9 votes

Answer:

  • C. 4x² + 3x/2 - 7

Explanation:

Given:

  • f(x) = x/2 - 3
  • g(x) = 4x² + x - 4

Find (f + g)(x):

  • (f + g)(x) =
  • f(x) + g(x) =
  • x/2 - 3 + 4x² + x - 4 =
  • 4x² + 3x/2 - 7

Correct choice is C

User Ilya Kurnosov
by
8.4k points

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