Answer:

Step-by-step explanation:
The formula for the nth term of a geometric sequence is
aₙ = a₁rⁿ⁻¹
In your geometric sequence, a₁ = 4 and a₁₃ = 16 384.

Check:

It checks.
Answer: the slope is 0
Step-by-step explanation: hope it helps
I honestly don’t know, Try to do Y2-Y1 and X2-X1 to get your answer.