Identify the interval(s) on which the function y = x^2 + 12x + 27 is positive. A. -9 B. X<-9 and x > 3 C. x&lt

Question

Identify the interval(s) on which the function y = x^2 + 12x + 27 is positive.
A. -9
B. X<-9 and x > 3

C. x<3 and x > 9

D. X<-9 and x >-3

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Khánh Gia 3 years 2021-08-30T23:28:24+00:00 1 Answers 16 views 0

Answers ( )

  1. haidang
    0
    2021-08-30T23:29:58+00:00
    Reply

    Answer:

    Step-by-step explanation:

    b x 1

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