Use function notation When a function f is defined with a rule or an equation using x and y for the independent and dependent variables, we say “y is…
Month: June 2014
Variations of the Definition of Function
Variations of the Definition of Function a. A function is a relation in which, for each value of the first component of the ordered pairs, there is exactly one…
Identify functions defined by graphs and equations
Identify functions defined by graphs and equations Since each value of x in a function corresponds to only one value of y, any vertical line drawn through the…
Find domain and range
Find domain and range For every relation, there are two important sets of elements called the domain and range. Domain and Range In a relation, the set of…
Define and identify relations and functions
Define and identify relations and functions Since we can write related quantities using ordered pairs, a set of ordered pairs such as {(5, 40), (10, 80), (20, 160), (40, 320)}…
Introduction to Functions
Introduction to Functions We often describe one quantity in terms of another. Consider the following. a. The amount of your paycheck if you are paid hourly depends on…
Graphing a Linear Inequality
Graphing a Linear Inequality Step 1:- Draw the graph of the straight line that is the boundary. Make the line solid if the inequality involves ≤ or ≥;…
Linear Inequality in Two Variables
Linear Inequality in Two Variables An inequality that can be written as Ax + By < C or Ax + By > C, where A, B, and C are…
Write an equation of a line given its slope and a point on the line
Write an equation of a line given its slope and a point on the line Let m represent the slope of a line and (x1, y1) represent a given…
Write an equation of a line given its slope and y-intercept
Write an equation of a line given its slope and y-intercept we found the slope of a line from the equation of the line by solving the equation for…
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