## Algebra 1: Common Core (15th Edition)

A.The range increases by 5 each time. B.The domains are (1,2,3,4,5,6,7,8).The range is (10,15,20,25,30,35,40,45). C.Use the point-slope formula to find the slope $\frac{10-15}{1-2}$= 5 ,$\frac{15-20}{2-3}$=5. Graph: