I will give 50 points to whoever answers it!! What is the rate of change and initial value for the linesr relation that includes the points shown in the table?
x y
1 20
3 10
5 0
7 -10
A. Initial value: 20, rate of change: 10
B. Initial value: 30, rate of change: 10
C. Initial value: 25, rate of change: -5
D. Initial value: 20, rate of change: -10