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Functions assign a single output for each of their inputs. In this video, we see examples of various kinds of functions.
This topic covers: - Evaluating functions - Domain & range of functions - Graphical features of functions - Average rate of change of functions - Function combination and composition - Function transformations (shift, reflect, stretch) - Piecewise functions - Inverse functions - Two-variable functions
This topic covers: Intercepts of linear equations/functions. Slope of linear equations/functions. Slope-intercept, point-slope, & standard forms. Graphing linear equations/functions. Writing linear equations/functions. Interpreting linear equations/functions. Linear equations/functions word problems.
Exponential functions can grow or decay very quickly. Exponential functions are often used to model things in the real world, such as populations, radioactive materials, and compound interest. Created by Sal Khan and CK-12 Foundation.
Unit 14: Quadratic functions & equations. 3,100 possible mastery points. Mastered. Proficient. Familiar. Attempted.
The derivative of a function describes the function's instantaneous rate of change at a certain point. Another common interpretation is that the derivative gives us the slope of the line tangent to the function's graph at that point. Learn how we define the derivative using limits.
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Within cells, special structures are responsible for particular functions. For example, mitochondria help release energy that the cell can use for other tasks, and the nucleus contains the genetic information. The cell membrane forms the boundary that controls what enters and leaves the cell.
This topic covers: - Solving quadratic equations - Graphing quadratic functions - Features of quadratic functions - Quadratic equations/functions word problems - Systems of quadratic equations - Quadratic inequalities