[0, inf)
The least y-value the function can have is 0 because the square of a number cannot be negative.
Answer:

Step-by-step explanation:
As you're used to do in the real plane, midpoint is the average of Real and Imaginary part. So 
Answer:
Full answer is in the media.Good luck.
Answer:
110 yards^3
Step-by-step explanation:
volume of a triangular pyramid= 1/3 area x height
1/3 x (22) x 15 = 110 yd^3