Answer:
i thinks the answer is the fourth, which an= 3-2(n-1)
Answer:
10/4
Step-by-step explanation:
rise over run
Answer:

Step-by-step explanation:

Hope this helps!
Answer:
A) 1600
Step-by-step explanation:
double the number for the first year then double that number ect untill you do six years



so if you notice yours

now.. normally the function

has a D value of 0, or no vertical shift, and the amplitude and the period simply make the wave taller and thinner, but the midline is still the x-axis
now, with D = 6.1, that moves the midline up vertically that much
now.. the period, well, B = 5/3, normal period of cosine is

so, the new period will be

notice the picture below
the vertical shift by the D component, or 6.1, moved the midline to y = 6.1 :)