Four relations are shown.
Relation A has two columns x and y. When x is 4, y is 4. When x is 5, y is 5. When x is 5, y is 0. When x is 7, y is 8. When x is 10, y is 1. Relation B has a coordinate plane with a U-shaped curve open to the right with its vertex at (-4.2, 0). Relation C shows the equation 4x plus 53 equals to y. Relation D shows the equation y equal to 8x exponential 2.
Drag the name of each relation to identify whether the relation is a function or not a function.
- Relation A: Function
- Relation B: Not a function
- Relation C: Function
- Relation D: Function