f(x) = 3x^2 – 10x – 9 Find f(4)

Question

f(x) = 3x^2 – 10x – 9
Find f(4)

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Latifah 6 months 2021-07-22T02:07:40+00:00 1 Answers 4 views 0

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    2021-07-22T02:09:17+00:00

    Answer:

    f(4) = -1

    Step-by-step explanation:

    f(4) = 3(4)^2 – 10(4) -9

         = 3*16 – 40 – 9

         =  48 – 40 – 9

         = -1

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