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This document provides comprehensive solutions to homework exercises from sections 7-4 and 7-5, focusing on even roots and properties of exponents. We explore results involving nonnegative outcomes when exponents are even, addressing specific problems from pages 405 and 412, including various practice exercises. Solutions encompass a range of methodologies, showcasing different techniques in algebra and calculus to enhance understanding of these fundamental concepts. Ideal for students seeking clarification and detailed explanations for their assignments.
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f(x) 6 3 x 369 . Answers to Hmwk. 7-4: p.405 #13–49 left column, 54, 56–59, 69 40. 2.066 46. 4.647 54. If all the powers in the result of an even root have even exponents, the result is nonnegative without taking the absolute value • 56. B 57.G • 58. D = {x/x ≥2} • R = {y/y ≥ 0} Answers to Practice 7-5: p.412 #1–7 odd, 8–16 left column 8. ≈ 49mi/hr10. 2a2b212. 5+ 3 • 14. 3 + 3 – – 16. 2 + ––––––––––––––––––––––––––––––––––––––––––––––––––––––––– Hmwk. 7–5: p.413 #18–51mod3, 53–57, 62, 63, 66, 70, 77
