Answer:
3
Step-by-step explanation:
Substitute n = 2, 3 into c(n) to obtain third term
c(2) = c(2 - 1) × 4 = c(1) × 4 = × 4 =
c(3) = c(3 - 1) × 4 = c(2) × 4 = × 4 = 3
can't see the pic properly
520 miles
Since x=−3 is a vertical line, the slope is undefined.