Consider the equation below. f(x) = 5 sin(x) + 5 cos(x), 0 ≤ x ≤ 2π (a) Find the interval on which f is increasing. (Enter your answer using interval notation.) Incorrect: Your answer is incorrect. Find the interval on which f is decreasing. (Enter your answer using interval notation.) Incorrect: Your answer is incorrect. (b) Find the local minimum and maximum values of f. local minimum value Correct: Your answer is correct. local maximum value Correct: Your answer is correct. (c) Find the inflection points. (x, y) = Correct: Your answer is correct. (smaller x-value) (x, y) = Incorrect: Your answer is incorrect. (larger x-value) Find the interval on which f is concave up. (Enter your answer using interval notation.) Find the interval on which f is concave down. (Enter your answer using interval notation.)