1. Which variable is the input, and which is the output?

  2. What is the elevation at mile 20?
    Answer: feet
  3. At what distances is the elevation 150 feet?
    The relevant distances (to the nearest half-mile) separated by commas: miles
  4. What are the maximum and minimum values of and when do these values occur?
    The maximum elevation is feet which occurs at .
  5. The runners pass by the Los Angeles Coliseum at about 4.2 miles into the race. What is the elevation there?
    Approximately (within 5) feet