Answer:
A function f is even if the graph of f is symmetric with respect to the y-axis. Algebraically, f is even if and only if f(-x) = f(x) for all x in the domain of f.
Answer:
5
Step-by-step explanation:
D=
D=
D=
D=
D=5
The volume is 36 inches squared
Answer:
third option
Step-by-step explanation:
Using De Moivre's theorem
( + i)³ , then
| + i |
=
= = = 2
arg( + i) = ( ) =
Thus
( + i)³
= 2³ [ cos(3 × ) + isin( 3 × ) ]
= 8 [ cos() + isin( ) ]