Suppose x represents the value of some varying quantity. As the value of x varies from 4.5 to 7 . What is the change in the value of x ? Δx= 2.5= 2.5. Represent the change in the value of x you found in part (i) on the number line. 2468-2-4-6 x Clear All Draw: Vector As the value of x varies from 4.5 to −3.5 . What is the change in the value of x ? Δx= −8= -8. Represent the change in the value of x you found in part (i) on the number line. 2468-2-4-6 x Clear All Draw: Vector Given that the value of x varies from x=x1 to x=x2, write an expression in terms of x1 and x2 to represent the change in the value of x. Hint.