Use the graph of f to find so that when if and .
To change the graph enter values for

x min = x max=

y min = y max= and then press the Submit Answer button.

Note: and are graphed in red to help you find . Mathematically speaking, once you have found any smaller number will also work for . Since that would make the problem rather easy, you could just put in a very small number, for this problem you will need to find the largest delta that will work. Your answer must be within 3e-06 of the correct answer.