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11 May, 21:40

Witch statement best describes how to determine whether f (x) = x^3+5x+1 is an even function?

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  1. 12 May, 01:10
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    A. Determine whether - (x3 + 5x + 1) is equivalent to x3 + 5x + 1. b. Determine whether (-x) 3 + 5 (-x) + 1 is equivalent to x3 + 5x + 1.

    c. Determine whether - x3 + 5x + 1 is equivalent to - (x3 + 5x + 1).

    d. Determine whether (-x) 3 + 5 (-x) + 1 is equivalent to - (x3 + 5x + 1)

    A function is even if f (x) = f (-x) for all x.

    f (-x) = - x³ + 5 (-x) + 1

    f (-x) = - x³ - 5x + 1

    b. Determine whether (-x) 3 + 5 (-x) + 1 is equivalent to x3 + 5x + 1.
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