5 Summarize the pertinent information obtained by applying the graphing strategy and sketch the graph of f(x) = 1+ 5x2 . . . (Type exact answers in simplified form. Type your answers in interval notation. Use a comma to separate answers as needed.) O C. The function is decreasing on . It is never increasing. (Type an exact answer in simplified form. Type your answer in interval notation. Use a comma to separate answers as needed.) Find the location of any local extrema of f(x). Select the correct choice below and, if necessary, fill in the answer box(es) to complete your choice. O A. There is a local maximum at x = . There is no local minimum. (Type an integer or a decimal. Use a comma to separate answers as needed.) O B. There is a local maximum at x = and there is a local minimum at x = (Type integers or decimals. Use a comma to separate answers as needed.) O C. There is a local minimum at x = . There is no local maximum. (Type an integer or a decimal. Use a comma to separate answers as needed.) O D. There are no local extrema