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Answer part B please

Answer part B please

Elementary Algebra
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter8: Rational Expressions And Equations
Section8.9: Use Direct And Inverse Variation
Problem 503E: The length a spring stretches varies directly with a weight placed at the end of the spring. When...
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Answer part B please

A graphing calculator is recommended. A man stands at a point A on the bank of a straight river, 4 mi wide. To reach point B, L = 9 mi downstream on the opposite bank, he first rows his boat to point P on the opposite bank and then walks the remaining distance x to B, as shown in the figure. He can row at a speed of 2 mi/h and walk at a speed of 5 mi/h. L mi = 323 B (a) Find a function that models the time T needed for the trip. T(x): (b) Where should he land so that he reaches B as soon as possible? (Round your answer to two decimal places.) mi from point B
Transcribed Image Text:A graphing calculator is recommended. A man stands at a point A on the bank of a straight river, 4 mi wide. To reach point B, L = 9 mi downstream on the opposite bank, he first rows his boat to point P on the opposite bank and then walks the remaining distance x to B, as shown in the figure. He can row at a speed of 2 mi/h and walk at a speed of 5 mi/h. L mi = 323 B (a) Find a function that models the time T needed for the trip. T(x): (b) Where should he land so that he reaches B as soon as possible? (Round your answer to two decimal places.) mi from point B
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