Answer:
That would be cosine, or (cos)
Step-by-step explanation:
This is because cosine is Adjacent / Hypotenuse.
Hope that helps, :)
Suppose we have a generic polynomial of the form:

To know how many roots the polynomial can have, the first thing you should do is observe the term of greatest exponent.
For this case, the term of greatest exponent is 2.
Therefore, the polynomial has 2 roots.
Answer:
You must observe the term of the polynomial with greater exponent.
20 because 12 divided by 3 is 4. then you multiply 5 by 4. and you get 20.
Answer:
K 20
Step-by-step explanation:
f(x) = 7x2 - 4x
f (2) = 7 (2)^2 - 4(2)
= 28 - 8
= 20
Since they replaced the x inside f(x) with 2, just do that the same to the right side, change all x into 2