Answer:
The last one
Step-by-step explanation:
all points on the graph are rational numbers.
-1, 0, 1, and 4.5 are all rational numbers
rational numbers consist of;
natural numbers "1, 2, 3, 4, etc"
whole numbers "0, 1, 2, 3, etc"
integers "-3, -2, -1, 0, 1, 2, 3, etc"
And decimals "-1.5, -1, -0.5, 0, 0.5, 1, 1.5 etc"
*and fractions "1/2 3/5 6/17"