Answer:
14
Step-by-step explanation:
The period is the x distance for one full cycle.
The 1st peak is at 1 and the second peak at 15
The period is 15 - 1 = 14
the intersecting point of the two lines is (2.2999999,4.1)
Answer:
$17.14
Step-by-step explanation:
Given : 
To Find : Using the quadratic regression equation, what was the predicted profit in year 8
Solution :

Where y is profit and x is year
Substitute x = 8


So, Option D is true
Hence the predicted profit in year 8 is $17.14
Answer:
The answer is 8
Step-by-step explanation:
You set the equation 9n=8n+8
Subtract 9n-8n
n=8
Answer:
The Y intercept adds on +6 every time.
Step-by-step explanation:
Hope this helps! :3