7. Can you answer both questions with work and the final answer

MY NOTES 13. [-/2 Points] DETAILS LARCALCET8 4.4.045. Find all relative extrema of the function. Use the second derivative test where applicable. (If an answer does not exist, enter DNE.) f(x ) =x+_ 49 X relative maximum (x, y ) = relative minimum ( x, y ) = Need Help? Read It Submit Answer 14. [-/2 Points] DETAILS LARCALCET8 4.4.047. MY NOTES Find all relative extrema of the function. Use the second derivative test where applicable. (If an answer does not exist, enter DNE.) f(x) = cos(x) - 6x, [0, 47] relative maximum (x, y) = relative minimum ( x, y ) = Need Help? Read It