princess6741 princess6741
  • 01-03-2021
  • Mathematics
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I dont understand the question

I dont understand the question class=

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jimthompson5910 jimthompson5910
  • 01-03-2021

Answer: Choice C)   x^4 - 2

Explanation:

If the exponent is negative, then that means we apply the reciprocal. So something like x^(-2) becomes 1/(x^2). A polynomial cannot have a variable in the denominator like this. So we can rule out choices A, B, and D. Choice C is the only thing left. It is a polynomial because the exponent is a positive whole number.

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