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Could someone help me with number 19

Could someone help me with number 19-example-1
User Liya
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Solving #19

Take y-values from the graph

  • a) (g·f)(-1) = g(f(-1)) = g(1) = 4
  • b) (g·f)(6) = g(f(6)) = g(2) = 2
  • c) (f·g)(6) = f(g(6)) = f(5) = 1
  • d) (f·g)(4) = f(g(4)) = f(2) = -2
User Whispers
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