Consider f(y) = -13y - 26 sin(y) on [0, 2π]. Determine the intervals on which f is decreasing. f is decreasing on: f is

Question

Consider f(y) = -13y - 26 sin(y) on [0, 2π].
Determine the intervals on which f is decreasing.
f is decreasing on:
f is decreasing nowhere.
Determine the intervals on which f is increasing.
f is increasing on:
f is increasing nowhere.
Determine the value and location of any local minimum of f. Enter the solution in (y, f(y)) form. If
multiple solutions exist, use a comma-separated list to enter the solutions.
f has a local minimum at:
f has no local minimum.
Determine the value and location of any local maximum of f. Enter the solution in (y, f(y)) form. If
multiple solutions exist, use a comma-separated list to enter the solutions.
f has a local maximum at:
f has no local maximum.

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