Consider the following function f(x) = 7 sin (x) + 8 cos (x), 0≤x≤ 2π. (a) Is f increasing or decreasing at x = 5? O Increasing O Decreasing (b) Determine the x-values for which f has an absolute minimum and absolute maximum. Enter numeric values correct to 3 decimal places. absolute minimum occurs at x = Number absolute maximum occurs at x = Number (c) Determine the interval on which f is concave up. Enter numeric values correct to 3 decimal places. Number Number

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