Question

Becky and Cathy are sisters . Becky is four year older than Cathy . The following shows how Becky ages y changes as Cathy age is x changes

Answer 1

D. y=x+4

Explanation:

The y value in this graph is the x value + 4, such as the points (0,4) and (2,6) that lie on the graph. You can also tell by the y intercept being 4 on the graph and the slope being one.