Domain and Range of Quadratic Functions

A quadratic function is graphed on the grid.

Which answer choice best represents the domain and range of the function?

The graph of the quadratic function f is shown on the grid.

Which of these best represents the domain of f?

• All real numbers

• All real numbers less than -3 or greater than 2

• All real numbers

Which graph best represents a function with a range of all real numbers greater than or equal to -6?

• 
• 
• 
• 

• All real numbers

What is the range?

• y≥-3
• y≥-1
• All real numbers
• y≤-1

What is the range of the function?

• R:{y is less than or equal to 3}
• R:{y is greater than or equal to 3}
• R:{all real numbers}
• R:{y is between and including -6 and 3}

What is the range of the function?

• R:{y is less than or equal to 3}
• R:{y is greater than or equal to 3}
• R:{all real numbers}
• R:{y is between and including -6 and 3}