Answer:
V= -2000t + 20000
Step-by-step explanation:
Let m be the slope of our function :
Let's check :
2nd option is the correct one
80, 80, 80, 80, 80, 85, 85, 85, 85, 85, 90, 90, 90, 90, 90
Mean = 85
Median = 85
Range = 10
Mean Absolute Deviation (MAD) = 3.33