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16 July, 06:27

Choose the missing exponent to create a polynomial: 3x^4+4x^2-9x^-?+2

?=Missing Value

A) 2

B) 3

C) - 9

D) 7

E) 4

+4
Answers (1)
  1. 16 July, 06:39
    0
    C) - 9

    Step-by-step explanation:

    Exponents in a polynomial must be positive integers. Since your? has a minus sign in front, its value must be negative. The only such choice is C.
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