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Suppose a person wants to travel D miles at a constant speed of (60+x) mi/hr, where x could be positive or negative. The time in minutes required to travel D miles is T(x)=60D(60+x) a. Given the linear approximation to T at the point x = 0 is TX) a L(x)-Di- drive 84 miles at 59 mi/hr b. What is the exact time required? use L(x) to approximate the amount of time it takes to 60 a. The approximate time is min (Round to the nearest whole number as needed. b. The exact time required is min (Type an integer or a simplified fraction.)

Suppose a person wants to travel D miles at a constant speed of (60+x) mi/hr, where x could be positive or negative. The time in minutes required to travel D miles is T(x)=60D(60+x) a. Given the linear approximation to T at the point x = 0 is TX) a L(x)-Di- drive 84 miles at 59 mi/hr b. What is the exact time required? use L(x) to approximate the amount of time it takes to 60 a. The approximate time is min (Round to the nearest whole number as needed. b. The exact time required is min (Type an integer or a simplified fraction.)

College Algebra (MindTap Course List)
College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter4: Polynomial And Rational Functions
Section4.CT: Chapter Test
Problem 4CT
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Suppose a person wants to travel D miles at a constant speed of (60+x) mi/hr, where x could be positive or negative. The time in minutes required to travel D miles is T(x)=60D(60+x) a. Given the linear approximation to T at the point x = 0 is TX) a L(x)-Di- drive 84 miles at 59 mi/hr b. What is the exact time required? use L(x) to approximate the amount of time it takes to 60 a. The approximate time is min (Round to the nearest whole number as needed. b. The exact time required is min (Type an integer or a simplified fraction.)
Transcribed Image Text:Suppose a person wants to travel D miles at a constant speed of (60+x) mi/hr, where x could be positive or negative. The time in minutes required to travel D miles is T(x)=60D(60+x) a. Given the linear approximation to T at the point x = 0 is TX) a L(x)-Di- drive 84 miles at 59 mi/hr b. What is the exact time required? use L(x) to approximate the amount of time it takes to 60 a. The approximate time is min (Round to the nearest whole number as needed. b. The exact time required is min (Type an integer or a simplified fraction.)
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