Answer:
Graph A
Step-by-step explanation:
For each piece of the function the first number is included (0, 4, 8) and second number excluded (4, 8, 12). Included points are solid and excluded are open dots.
It's correctly reflected in A graph only.
Answer:
y=29x+50; 30 months
Step-by-step explanation:
$920-50=870
870/29=30
