Sean504 Sean504
  • 19-11-2017
  • Mathematics
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P(-3)=x^3+5; evaluate P(-3)

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altavistard
altavistard altavistard
  • 19-11-2017
You are given P(x) = x^3 + 5, not P(-3).  You are to evaluate the function at x=-3.

The function is P(x)=x^3+5.  Let's now replace x with (-3):

P(-3) = (-3)^3 + 5     =     -27 + 5 = -22 (answer)
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