Asked by nicole

1.
y=-x+3
If the domain is {-2,0,3,6}, find the range.

If the range is{-5,1,4,21}, find the domain.

Answers

Answered by Reiny
for the first, plug in each of the x values, the resulting y values are your range
e.g.
if x = -2 , y = 1
if x = 0 , y = 3
....

the range is {1,3, ....}

for the given range , plug in each of the values for y and evaluate x,
the resulting values are your domain.
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