SOLUTION: Explain in your own words how to evaluate a ploynominal for a givin value of a variable, demonstrate process with example.
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Question 472874: Explain in your own words how to evaluate a ploynominal for a givin value of a variable, demonstrate process with example.
Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
It is very straightforward, just replace the variable with the number. For example,
 = 3x^3 + 5x^2 - x + 1, P(4) = 3(4)^3 + 5(4)^2 - 4 + 1 = 269)
There are some cases where it could get more complicated. If we let
 = 4x^2 - 5)
and we wanted to evaluate Q(7) we do not replace x with 7, but instead we replace "2x + 1" with 7 (i.e. replace x = 3):
 = 4(3)^2 - 5 = 31)
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