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Contents - Lessons & Practice

Math

Precalculus 2e

OpenStax book

OS

Chapter set

Precalculus 2e

OpenStax · one set on each chapter

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items, drawn without repeats

Questions from the 12 chapters of Precalculus 2e. Each item asks for a term, a definition, or a claim the chapter itself states.

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OpenStax

Precalculus 2e

12 lessons

One lesson for each chapter of Precalculus 2e, in the book’s order. The lesson teaches what that chapter says you need to know, then checks it.

  1. 1FunctionsA function is a specific type of relation in which each domain value, or input, leads to exactly one range value, or output
  2. 2Linear FunctionsAn increasing linear function results in a graph that slants upward from left to right and has a positive slope
  3. 3Polynomial and Rational FunctionsTo plot a complex number, we use two number lines, crossed to form the complex plane.
  4. 4Exponential and Logarithmic FunctionsAn exponential function is defined as a function with a positive constant other than 1 raised to a variable exponent
  5. 5Trigonometric FunctionsIn addition to degrees, the measure of an angle can be described in radians
  6. 6Periodic FunctionsPeriodic functions repeat after a given value.
  7. 7Trigonometric Identities and EquationsThere are multiple ways to represent a trigonometric expression.
  8. 8Further Applications of TrigonometryThe Law of Sines can be used to solve oblique triangles, which are non-right triangles
  9. 9Systems of Equations and InequalitiesA system of linear equations consists of two or more equations made up of two or more variables such that all equations in the system are considered simultaneously
  10. 10Analytic GeometryWhen given the coordinates of the foci and vertices of an ellipse, we can write the equation of the ellipse in standard form
  11. 11Sequences, Probability and Counting TheoryExplicit formulas define each term of a sequence using the position of the term
  12. 12Introduction to CalculusA two-sided limit exists if the left-hand limit and the right-hand limit of a function are the same.