Math

HELP PLEASE!!!

I'm having some trouble with this question on my Maths hw. Any help is appreciated:)


Identify the domain and range of the function.

y=-0.25x^2


1. domain: (-oo, 0]
range: (-oo, oo)

2. domain: (-oo, oo)
range: (-oo, 0]

3. domain: (-oo, oo)
range: (-oo, 0)

4. domain: (-oo, oo)
rang: [0, oo)

asked by Amy
  1. Please help!!

    posted by Amy
  2. Not familiar with this notation and the ( or [ are confusing.
    In the "good ol' days" way:

    domain: any real number
    range : y ≤ 0

    I will leave it up to you to identify the matching answer

    posted by Reiny

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