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Identifying the set that contains the given number and identifying which graphs are functions.

Define then;
Let W = the set of whole numbers
F = the set of (non-negative) Fractions
I = the set of integers
Q= the set of rational numbers
R =the set of real numbers

Question
List all of the sets that have the following properties.

(a) 5 is an element of the set(s)?
(b) -1/2 is an element of the set(s)?
(c) 0 is an element of the set(s)?
(d) square root of 81 is an element of the set(s)?
(e) square root of 2 is an element of the set(s)?

Next Question is;

Determine which of the following graphs represent functions

(a) see attached graph, in powerpoint. I couldnt figure how to draw the nice curves but you can probably interpret from what I drew.

(b) see attached graph
(c) see attached graph

Attachments

Solution Preview

(a) W, F, I, Q, R
(b) W, Q, R
(c) W, F, I, Q, R
(d) sqrare ...

Solution Summary

Set are identifed that contain given numbers and graphs that are functions are identified. The response received a rating of "5" from the student who originally posted the question.

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