This question has several parts that must be completed sequentially. if you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. consider the equation below. f(x) = 2 sin(x) + 2 cos(x), 0 ≤ x ≤ 2πexercise (a)find the interval on which f is increasing. find the interval on which f is decreasing. exercise (b)find the local minimum and maximum values of f. exercise (c)find the inflection points. find the interval on which f is concave up. find the interval on which f is concave down.