Help me

MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 8. [-/0.95 Points] DETAILS SCALC9 3.1.022. Sketch the graph of f and use your sketch to find the absolute and local maximum and minimum values of f. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) f(t) = 5 cos([), 2 absolute maximum value absolute minimum value local maximum value(s) local minimum value(s) 9. [-/0.95 Points] DETAILS SCALC9 3.1.027. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Sketch the graph of f and use your sketch to find the absolute and local maximum and minimum values of f. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) RX ) = * if -1 s xso 17 - 9x if0