Answer:
C and D
Step-by-step explanation:
a = 10.8 - 8/1.5 - 1 = 4.2
rate of change: 4.2
y = 4.2x + b
x = 1, y = 8
8 = 4.2 (1) + b
8 - 4.2 = b
b = 3.8
Initial value: 3.8
