Answer:
Not proportional 
Step-by-step explanation:
Shontell spends $7 a month plus $0.10 per minute.
Let Shontell uses x number of minutes and total $y 
Fixed amount = $7 
Variable amount = $0.10 per minutes 
In 1 minutes spends = 0.10
In x minutes = 0.10x 
Total spends in a month, y = 7 + 0.10x 
This is linear function not proportional equation. 
Proportional equation, y=kx equation must passes through origin. 
So, This is not situation of proportional equation. This is linear equation. 
Now graph on coordinate plane 
- x-axis represents number of minutes uses in a month. 
- y-axis represents total cost spends in a month 
Please find attachment for graph.