Which piecewise relation defines a function? x² x <-
O y = 0-25x34
|-x² xZ4
x² XS-2
Oy= 4, -2 |x? +1, x22
(-3x, X<-2
Oy= 3. OSX<4
2x, x24
y =
(-3x, XS-4
3. -5 2x x>1
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Which description is represented by a discrete graph? kiley bought a platter for $19 and several matching bowls that were $8 each. what is the total cost before tax? the temperature at 9 a.m. was 83° f and is heating up at an average rate of 6°f per hour. what is the temperature x hours later? juan ate an egg with 78 calories and some cereal with 110 calories per serving for breakfast. what is the total amount of calories he consumed? a bottle contained 2,000 ml of liquid and is being poured out at an average rate of 300 ml per second. how much liquid is left in the bottle after x seconds?