Please help me asap please Which functions are even? Check all of the boxes that apply. f(x) = x2 – 3x + 2 7x) = -2)

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Please help me asap please
Which functions are even? Check all of the boxes that apply.
f(x) = x2 – 3x + 2
7x) = -2)
f(x) = |x|

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Diễm Kiều 5 months 2021-08-27T04:47:49+00:00 1 Answers 8 views 0

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    2021-08-27T04:49:19+00:00

    Answer:

    C) f(x) = |x|

    Step-by-step explanation:

    Determine if Odd, Even, or Neither

             f (x) = |x|

    Find f (−x) by substituting −x for all occurrence of x in f (x). f(−x) = |−x|

    Make −x positive.

            f(−x) = |x|

    A function is even if  f(−x) = f(x).

    Check if  f(−x) = f(x).

            |x| = |x|

    Since |x| = |x|, the function is even.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )