Answer:
m ≥ 0
Step-by-step explanation:
Since the cost is represented by c = 0.12m, the domain should be a positive number, this is because number of minutes can't be written in negative. Therefore, the most reasonable number for the domain would be the set of positive whole numbers which means, m≥0.
Answer:
12 weeks.
Step-by-step explanation:
Amanda starts with $2000 and is getting $150 per week which means that we can make the expression:

The expression is equal to 200 because is the limit where we can arrive to avoid the fee, then the n is the number of weeks that we are looking for:

n=12 weeks
Answer:
- 81/2 or -40 1/2
Step-by-step explanation:
3 4/5 (-10)-2 1/2
Answer:
x cannot equal -4 (the last option)
Step-by-step explanation:
From the line, you can see x equals every number except -4 where there's an open circle, meaning that x cannot equal 4