Question: MATH 115 Precalculus Final Exam - Part 2 Summer, 2019 15. Let vectors u = 8i + 3j and v = -6i + 16j. (a)

MATH 115 Precalculus Final Exam - Part 2 Summer, 2019 15. Let vectors u = 8i + 3j and v = -6i + 16j. (a) Calculate lull, the magnitude of u, and simplify the exact value. Show work. (b) Calculate the dot product u . v. Show work. (c) Determine the angle between u and v. Round the result to the nearest degree. Show work. 16. Extra credit (optional) 610 350

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