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Ostrovityanka [42]
3 years ago
7

14. f(x) = -x4 + x² + 4; x = -1

Mathematics
1 answer:
natali 33 [55]3 years ago
5 0

Answer:

  f(-1) = 4

Step-by-step explanation:

See below for the synthetic division tableau. The remainder is 4, hence ...

  f(-1) = 4

___

IMO, in this function it is far easier just to substitute -1 for x. Since the only terms are of even degree, the value of f(-1) is the sum of the coefficients:

  f(-1) = -1 +1 +4

  f(-1) = 4

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