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13 votes
13 votes
Find the range of the function y=-x^2-3x when the domain is {-5,0,2}

User Michael Blanza
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1 Answer

23 votes
23 votes

Answer:
\{-10, 0 \}

Explanation:

The range is the set of output values for the domain (the set of inputs).

  • When x=-5, y=
    -(-5)^(2)-3(-5)=-10.
  • When x=0,
    y=-0^(2)-3(0)=0.
  • When x=2,
    y=-2^(2)-3(2)=-10

So, the range is
\boxed{\{-10, 0 \}}

User Youen
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3.0k points