Answer:
range:{0,15}
Step-by-step explanation:
y=x²-2x
domain:{-3,0,5}
for range
when x=-3
y=(-3)²-2×(-3)=9+6=15
when x=0
y=0-0=0
when x=5
y=5²-2×5=25-10=15
or
y=x²-2x+1-1=(x-1)²-1
y=(-3-1)²-1=16-1=15
y=(0-1)²-1=1-1=0
y=(5-1)²-1=16-1=15
