Math 170 Functions, Data, and Models. Introduction and Functions. Paul Meyer Reimer, Guide. Basic Concepts. What is a function? A rule that assigns to each possible input exactly one output A question: such that when asked to any one person there is only one answer
Introduction and Functions
1.Which one point can be removed from the Figure 1.1 to make it the graph of a function?
ConcepTest • Section 1.1 •Question 1
3. The graph in Figure 1.2 remains the graph of a function when which of the following points are added
ConcepTest • Section 1.1 •Question 3
8. Think of a (sans-serif) letter as the graph of some relationship on an x-y- coordinate system. How many (lower case) letters of the alphabet could be the graph of a function?
ConcepTest • Section 1.1 •Question 8