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P(x) = x5 - 5x3 + 2x2 - x + 3. Find P(2).

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P(x) = x5 - 5x3 + 2x2 - x + 3. Find P(2)
A. 0
B. 1
C. 3
D. 7

 

asked Sep 3, 2014 in ALGEBRA 2 by tonymate Pupil

1 Answer

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Best answer

The polynomial function is P(x) = x5 - 5x3 + 2x2 - x + 3.

Substitute x = 2 in the above polynomial function.

P(2) = (2)5 - 5(2)3 + 2(2)2 - (2) + 3

        = 32 - 40 + 8 - 2 + 3

        = 1.

The option B is correct.

answered Sep 3, 2014 by casacop Expert
selected Sep 3, 2014 by tonymate

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