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WHAT IS THE EVALUATING FUNCTION OF THIS
Let k(x) = 2x² − 4x + 6, find k (−2), k (2), and k (−3).

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The12viz

Step-by-step explanation & Answer:

  • Substitute all of the x values from [tex]k(x)=2x^2-4x+6[/tex]
    [tex]k(-2)\\k(-2) = 2(-2)^2-4(-2) + 6\\k(-2) = 2(4)-4(-2) + 6\\k(-2) = 8+8 + 6\\k(-2) = 22[/tex]

    [tex]k(2)\\k(2) = 2(2)^2-4(2) + 6\\k(2) = 2(4)-4(2) + 6\\k(2) = 8-8 + 6\\k(2) = 6[/tex]

    [tex]k(-3)\\k(-3) = 2(-3)^2-4(-3) + 6\\k(-3) = 2(9)-4(-3) + 6\\k(-3) = 18+12 + 6\\k(-3) = 36[/tex]

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