Answer:
First option
A. y = 3.15 + 2.75(x - 1)
Step-by-step explanation:
d = 5.9 - 3.15 = 2.75
f(1) = 3.15
so the rule:
y = f(1) + d(n - 1)
or
y = 3.15 + 2.75(x - 1)