Domain Range Of Quadratic Function
The graph of this function is shown below.
Domain range of quadratic function. Range is all real values of y for the given domain real values values of x. The range of a quadratic function depends on its vertex and the direction that the parabola opens. Domain x values output domain and range of quadratic functions substituting any real value of x into a quadratic equation results in a real number.
Determine the domain and range of the function f of x is equal to 3x squared plus 6x minus 2. What is a set of all of the valid inputs or all of the valid x values for this function. A 6a domain and range of a quadratic function definitions.
This video tutorial aims to help you understand the domain and the range of quadratic function. The parabola has a maximum value at y 2 and it can go down as low as it wants. Domain set of input values for the independent variable over which the.
The graph of any quadratic function of the form f x a x 2 b x c which can be written in vertex form as follows f x a x h 2 k where h b 2a and k f h. Domain and range of a quadratic function. The range of a function is the set of all real values of y that you can get by plugging real numbers into x.
And i can take any real number square it multiply it by 3 then add 6 times that real number and then subtract 2 from it. The summary of domain and range is the following. Here is the question from.
For all quadratic functions the domain is always rr double r. We had a long discussion last august about domain and range of functions involving either quadratic functions or restricted domains or both. I ve edited the discussion to avoid some intermingling of topics.