113 Videos for "domain of a function"

Evaluating Limits Algebraically, Part 1  Problem 1
Math › Calculus › Limits and Continuity
How to evaluate the limit of a function using continuity and whether or not a function is continuous at the evaluated point. 
Continuity  Problem 2
Math › Calculus › Limits and Continuity
How to show that a function is discontinuous at a point x=a because the limit as x approaches a does not exist. 
Evaluating Limits Algebraically, Part 1  Problem 2
Math › Calculus › Limits and Continuity
How to evaluate the limit of a function using continuity. 
Continuity  Problem 3
Math › Calculus › Limits and Continuity
How to show that a function is discontinuous at a point x=a because its limit and its value at x=a are different. Explanation of continuity. 
Evaluating Limits Algebraically, Part 2  Concept
Math › Calculus › Limits and Continuity
How to evaluate the limit of a function at points where it is not continuous. 
Evaluating Limits Algebraically, Part 2  Problem 3
Math › Calculus › Limits and Continuity
How to evaluate the limit of a radical function at points where it is not continuous by multiplying by the conjugate of the radical expression. 
Evaluating Limits Algebraically, Part 2  Problem 2
Math › Calculus › Limits and Continuity
How to evaluate the limit of a function at points where it is not continuous. 
Solving a Logarithmic Equation  Problem 4
Math › Precalculus › Exponential and Logarithmic Functions
Connecting algebraic extraneous solutions to logarithmic equations with the graphs, asymptotes, and domain restrictions. 
Solving a Logarithmic Equation  Problem 4
Math › Algebra 2 › Inverse, Exponential and Logarithmic Functions
Connecting algebraic extraneous solutions to logarithmic equations with the graphs, asymptotes, and domain restrictions. 
Adding and Subtracting Rational Expressions  Problem 4
Math › Algebra 2 › Rational Expressions and Functions
Adding and subtracting rational expressions that already have common denominators with attention to domain restrictions. 
Deriving the Quadratic Formula  Concept
Math › Algebra 2 › Quadratic Equations and Inequalities
How to derive the quadratic formula by completing the square. 
Solving Radical Equations  Problem 14
Math › Algebra › Radical Expressions and Equations
Finding the domain of a rational function algebraically by setting the radicand greater than or equal to zero. 
Graphing Radical Equations using a Table  Problem 5
Math › Algebra › Radical Expressions and Equations
Considering the domain to graph a radical function from a table of values.