The roots routine will return a column vector containing the roots of a polynomial. The general syntax is
z = roots(p)
where p is a vector containing the coefficients of the polynomial ordered in descending powers.
Given a vector
which describes a polynomial
we construct the companion matrix (which has a characteristic polynomial matching the polynomial described by p), and then find the eigenvalues of it (which are the roots of its characteristic polynomial)
Example
Here is an example of finding the roots to the polynomial
--> roots([1 -6 -72 -27])
ans =
12.1229
-5.7345
-0.3884
The answer is D 44
Just have to plug in 8 to x and solve for f(x)
Answer:
A. Estimation
Step-by-step explanation:
If an exact answer is necessary, you should not estimate. Adding is likely necessary for finding the answer and checking is also likely helpful.
Answer:
D
Step-by-step explanation:
It's supposed to ask you to find the intersection of two lines