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15 votes
15 votes
Question 7 3 points)y = - 2 + % - 3d:{-1,1,3} {Blank 1:Blank 2:Blank 3:Question 8 3 points)

Question 7 3 points)y = - 2 + % - 3d:{-1,1,3} {Blank 1:Blank 2:Blank 3:Question 8 3 points-example-1
User Witiko
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1 Answer

27 votes
27 votes

\begin{gathered} \text{if x=}-1,\text{ then } \\ y=-(-1)^2+(-1)-3 \\ =-1-1-3 \\ =-5 \\ \\ \text{if x=1, then} \\ y=-(1)^2+1-3 \\ y=-1+1-3 \\ y=-3 \\ \\ \text{if x=3} \\ y=-(3^2)+3-3 \\ y=-9+3-3 \\ y=-9 \end{gathered}

Thus the range is {-5, -3, -9}

User Lucas Dahl
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