Describe in words the set of all points in R³ that satisfy the following expressions:
a) z=0
b) z≥0
c) y≤0
the origin ?
Everything above (positive z) and including the x y plane ?
The x z plane and everything behind (negative y) it
a) z=0
b) z≥0
c) y≤0
Everything above (positive z) and including the x y plane ?
The x z plane and everything behind (negative y) it