Answer:
n(x) = 63x + 18672
n(8) = 19176
Step-by-step explanation:
Slope is 63 (63 miles per 1 day)
y intercept is 18,672 (0 days from now)
plug values into equation:
n(x) = 63x + 18672
plug in 8 for x and solve:
n(8) = 63(8) + 18672
n(8) = 504 + 18672
n(8) = 19176