KhanAcademyPreCalc

Unit 1: Composite and inverse functions

Compose a function:  to build up a function using other functions

(h○g)(-6) = h(g(-6)) (read h of g of -6)

Unit 2: Trigonometry

Unit 3: Complex numbers

Unit 4: Rational functions

Unit 5: Conic sections

Unit 6: Vectors

Unit 7: Matrices

Unit 8: Probability and combinatorics

Unit 9: Series

Unit 10: Limits and continuity