Homework Help: College algebra

Posted by Kathy on Monday, July 23, 2012 at 5:17pm.

If the domain and range of a function consists of real numbers, then you can graph it by plotting all ordered pairs (x, f(x)). Remember "y" = f(x). How can you tell by looking at a graph if it represents a function?

College algebra - MathMate, Monday, July 23, 2012 at 9:06pm
It is easier to tell which graph not a function.

If there exists any vertical line x=k that intersects the graph at more than one point, the graph is not a function. This is call the vertical line test.

Answer this Question

Related Questions

Algebra 2 - 3. Identify the vertex and the axis of symmetry of the graph of the ...
algebra - Find the domain and range of the function. 1. f(x)= x^2-x I got: ...
11th grade maths - A.give an example of a function whose domain is {3,4,7,9}? ...
Algebra (Last Question) - I have - to graph each relation - decide if it is a ...
Algebra - What is the difference between domain and range? Describe a real life ...
College Algebra - 1.Answer the following for the given quadratic function. f(x...
algebra - 1 (a) A function passes through the points (0, -5), (1, 0), (2, 7). ...
Algebra - 22. State the domain of the function y=3x+2 a. D: Real numbers b. D: x...
algebra - Explain the domain and range of a function. Under what circumstances ...
college algebra - graph the following function using transformations, be sure to...

For Further Reading

First Name:
School Subject:
Answer: