Answer:
The range of z-score is given below as
With polynomials the degree is the highest power x or whatever the variable is raised to. In this case, the degree is 3 since the highest power x is raised to is x^3
Example of linear equation:

Let's have the linear equation;

<h3 /><h3>Put x=1</h3>


<h3>Put x=2</h3>


<h3>Put x=3</h3>


Answer:
The ratio of cosh is 12/13.