Answer:
For 100 calls the monthly cost = 10.95 + 0.95(100) = $ 22.95
120 calls = 10.95 + 0.95(120) = $ 25.35
140 calls = 10.95 + 0.95(140) = $ 27.75
160 calls = 10.95 + 0.95(160) = $ 30.15
Therefore it is constant
The answer is B. Yes, the average rate of change is constant
Hope this helps!
If you know 6+6 you know 6+7 because 6+7 is 1 more than 6+6.
6+6=12 while 6+7=13.
Another way to look at it is 7+7=14 so 6+7 is 1 less than it making 6+7=13.
Answer:
-60
Step-by-step explanation:
residual = actual - predicted = 570 - 630 = -60
1 hour is $12.50 2 hours is $25 3 hours is $37.50 and 4 hours is $50