Question 694380
domain is just another way of saying x, and range is y

plug in -3, -1, and 4 into the equation and solve for y for the range of each
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for -3

y=3(-3)-4
y=0-4
y=-4  
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for -1

y=3(-1)-4
y= -3-4
y=-7
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for 4

y=3(4)-4 
y=12-4 
y=8

range is {-4, -7, 8}