A baseball diamond is a square with side 90 feet. A batter hits the ball and runs toward first base with a speed of 31 ft/s. 90 ft (a) At what rate (in ft/s) is his distance from second base decreasing when he is halfway to first base? (Round your answer to one decimal place.) ft/s (b) At what rate (in ft/s) is his distance from third base increasing at the same moment? (Round your answer to one decimal place.) ft/s

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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A baseball diamond is a square with side 90 feet. A batter hits the ball and runs toward first base with a speed of 31 ft/s.
90 ft
(a) At what rate (in ft/s) is his distance from second base decreasing when he is halfway to first base? (Round your
answer to one decimal place.)
ft/s
(b) At what rate (in ft/s) is his distance from third base increasing at the same moment? (Round your answer to one
decimal place.)
ft/s
Transcribed Image Text:A baseball diamond is a square with side 90 feet. A batter hits the ball and runs toward first base with a speed of 31 ft/s. 90 ft (a) At what rate (in ft/s) is his distance from second base decreasing when he is halfway to first base? (Round your answer to one decimal place.) ft/s (b) At what rate (in ft/s) is his distance from third base increasing at the same moment? (Round your answer to one decimal place.) ft/s
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