The table shows how much an architect charges for work. Is the relationship shown by the data in the table linear?

Hours Worked Amount Charged
0 500
1 550
3 650
4 700

Id like a little help on this problem, thanks=)
(If I could have an explenation it would help too)

Question

The table shows how much an architect charges for work.  Is the relationship shown by the data in the table linear?

Hours Worked	Amount Charged
     0	                   500
     1	                   550
     3	                   650
     4	                   700

Id like a little help on this problem, thanks=)
(If I could have an explenation it would help too)

anonymous · Answer

Ok=D I think I get it, Thanks for the response Holden I appreciate it. 
So the base equasion would be y=mx+b right?