Answer:
Step-by-step explanation:
The value of d is the average of the maximum and minimum values of the graph:
d = (3 +(-1))/2 = 1
The value of 'a' is the difference between the maximum value and the value of d:
a = 3 -d = 3 -1 = 2
The required values of 'a' and 'd' are 2 and 1, respectively.
