Answer:

Step-by-step explanation:
The given complex number is

The polar form of this complex number is;
, where


and

This implies that;
to the nearest degree.
Hence the polar form is

Answer:
-40s^2+8s+3
Step-by-step explanation:
use the foil method to multiply out 4s*-10s, 4s*-3, -10*-10s, and -10*-3 and then simplify
Answer:
24.5
Step-by-step explanation:
the radius is half of a diameter
so the radius is 3.9
24.5 = 2πr= 2 * π * 3.9 ≈ 24.504
When x=-2 the value of the function is 0.
When x=0 the value of the function is -4.