Step-by-step explanation:

This is even function because
1)the ends are looking in one side, both are up
2)You can see that it has line symmetry y
3) for any point
f(x)=f(-x)
f(1)=-6
f(-1)=-6
Answer:

Step-by-step explanation:
To convert from degrees to radians
radian = degree measure 
= 510 × 
= 
=
radians
Answer:
Yes it is parallelogram because diagonals bisect each other.