Precalculus vocabulary

2. A type of number that can be expressed as a “i”
5. A line in the plane that is used to help describe the behavior of the graph of a function or a conic section.
8. A set of ordered pairs.
10. The product of sin/cos
11. The set of x-values.
13. Three different types: Jump, infinite, Removable.
16. The amount of space enclosed within the boundary of a sector.
17. The reference line in polar coordinates from which the angle coordinate is measured.
18. The set of y-values.

1. A value that a function approaches the output for the given input values.
3. A point where the function changes direction from increasing to decreasing.
4. Used to solve for oblique triangles as long as two of the angles and one of the sides are known.
5. The distance between two points along a section of a curve.
6. the inverse of a given function.
7. The branch of mathematics concerned with specific functions of angles and their application to calculations.
9. The shape of a quadratic function.
12. A vector is an object that has both a magnitude and a direction.
13. The highest exponent, n, of a polynomial. Polynomials are classified by this.
14. Inverse of cos
15. The maximum or minimum value of a function.