It would be - 1.75. Hope it helps! :)
Answer:
circle: ( 1, 0.5 )
square: ( 4.5, 3.5 )
triangle: ( 0, 2.5 )
Step-by-step explanation:

The Correct choices are :
- the dependent variable is y
- the rate of change is not constant
- independent variable is x
- This is a negative relationship
- The relationship is nonlinear