Answer:
1. B
2. C
3. A
4. D
Step-by-step explanation:
The parametric equations of the circular cylinder are:

If the orientation of the cylinder is changed to have the height
along the x-axis, the parametric equations of the cylinder match:

The parametric equations of the circular paraboloid are:

Using the units vectors the parametric equations match:

The parametric equations of the cone are:

Using the units vectors and rotating the base of the cone from
to
the parametric equations match:

The equation left is the equation of a plane:

Answer:
Many techniques will simplify your work as you perform operations with algebraic fractions. As you review the examples, note the steps involved in each operation and any methods that will save you time.
Answer:
r greater than or equal to -48
Step-by-step explanation: