Title
Algebra and Trigonometry : Functions - Basics - Practice Problem 1cCreator
John Craighead, Danny Dyer, Rebecca Milley and Memorial University of Newfoundland. Centre for Innovation in Teaching and Learning (CITL)Description
This video is a demonstration of problems involving functions. In this practice problem you are asked to do three things for the following expression: z = ƒ(x) = plus or minus square root of x
i) State wheter or not it is a function and why.
ii) If a function, identify the independent and dependent variables.
iii) If a function, calculate f(2) and ƒ(x + h).
Learning Design
Determine whether a relation is a function using Vertical Line Test.
Evaluate a function at a particular x-value, whether numeric or algebraic.
Find the domain and range of a function.Date Created
2017Format
Video/mp4Duration
01:16 minutes/seconds