Can you help me with the following three problems:

Previous Problem Problem List Next Problem Week 10 Due Friday: Problem 2 1 point) Rewrite the following expression as a single logarithm. Keep rational exponents in your answer. log x - 8 log(sin 4x) + 1 = log( [x^(1/5)csc(4x)"(8)] Preview My Answers Submit Answers You have attempted this problem 6 times. Your overall recorded score is 0%. You have unlimited attempts remaining. Page generated at 10/27/2022 at 11:16pm EDT WeBWork @ 1996-2021| theme: math4 | ww_version: 2.16 | pg_version 2.16| The WeBWork ProjectWeek 10 Due Friday: Problem 3 (1 point) E C D B A e Two triangles CED and FBA are similar Some of the sidelengths are a = 9.2, d = 55.2, b = 7, f = 49.2 What is the length of c? 5.97 cm of e? 25.03 cm What is the perimeter of ECD? |22.17 cm What is the perimeter of BFA? 129.2 cm Note: You can earn partial credit on this problem. 31 MOLDEweek_10_due_friday / 7 Previous Problem Problem List Next Problem Week 10 Due Friday: Problem 7 (1 point) Find the intervals on which the function is concave up or down, the points of inflection, and the critical points, and determine whether each critical point corresponds to a local minimum or maximum (or neither). Let f(x) - 5x + 5 sin(x), 0