Answer:
20 km?
Step-by-step explanation:
Answer:

Step-by-step explanation:
given,
a₂ = 495
a₆ = 311
geometric sequence formula


...................(1)

................(2)
dividing equation (2) by (1)




hence, the common ratio of the geometric sequence is 
Answer:
7884 Centemeters
Step-by-step explanation:
Answer:
f (-4)=0
f (-1)=3
f (0)=0
Step-by-step explanation:
The answers are the y value for the given x values on the graph.