For the graph below, what should the domain be so that the function is at least 300? Graph of y equals minus 2 times the square of x plus 50 times x plus 300

For the graph below, what should the domain be so that the function is

1.	For the graph below, what should the domain be so that the function is at least 300? Graph of y equals minus 2 times the square of x plus 50 times x plus 300
Answer» For the graph below, what should the domain be so that the function is at least 300? Graph of y equals minus 2 times the square of x plus 50 times x plus 300