Answer:
5 dollars
Step-by-step explanation:
last year he got 5 they were 7 dollars because 7x5 is 35 so do the same thing to do other it also equals 35
The equation of the given line above is y=3x-1. The slope of the line is 3/1 (3x) and the y-intercept which is where the line crosses the y-axis is (0,-1) When you plug these parameters into the equation you will get the equation y=3x-1
Answer:

Step-by-step explanation:
Let consider the following model:

The average is given by the following formula:

The maximum value is:



Amplitude is:


The sine function has a periodicity of
, where is minimum is reached at
, when t = 30. The period of the cycle is:


The complete expression is:

The times associated with
are, respectively:




Instants are, respectively:


Period is:
