Precalculus

Skills:
- Functions
- Systems of inequalities
- Nonlinear inequalities
- Matrices
- Two- and three-dimensional vectors
- Quadratic functions
- Sequences and series
- Polynomials
- Exponential and logarithmic functions
- Trigonometric identities
- Probability distributions
- Conic sections
- Real numbers
- Statistics
- Radical functions
- Complex numbers
- Complex plane
- Polar form
- Roots and rational exponents