Mylab Math With Pearson Etext -- Standalone Access Card -- For Precalculus (11th Edition)

11th Edition

ISBN: 9780135189795

Author: Michael Sullivan

Publisher: PEARSON

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Chapter 2.1, Problem 119AYU

Stopping Distance When the driver of a vehicle observes an impediment, the total stopping distance involves both the reaction distance (the distance the vehicle travels while the driver moves his or her foot to the brake pedal) and the braking distance (the distance the vehicle travels once the brakes are applied). For a car traveling at a speed of $v$ miles per hour, the reaction distance $R$ , in feet, can be estimated by $R (v) = 2.2 v$ . Suppose that the braking distance $B$ , in feet, for a car is given by $B (v) = 0.05 v^{2} + 0.4 v - 15$ .

a. Find the stopping distance function

$D (v) = R (v) + B (v)$

b. Find the stopping distance if the car is traveling at a speed of 60 mph.

c. Interpret $D (60)$ .

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Chapter 2.1, Problem 118AYU

Chapter 2.1, Problem 120AYU

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Chapter 2 Solutions

Mylab Math With Pearson Etext -- Standalone Access Card -- For Precalculus (11th Edition)

Ch. 2.1 - The inequality 1x3 can be written in interval...Ch. 2.1 - If x=2 , the value of the expression 3 x 2 5x+ 1 x...Ch. 2.1 - The domain of the variable in the expression x3...Ch. 2.1 - Solve the inequality: 32x5 . Graph the solution...Ch. 2.1 - To rationalize the denominator of 3 5 2 , multiply...Ch. 2.1 - A quotient is considered rationalized if its...Ch. 2.1 - If f is a function defined by the equation y=f( x...Ch. 2.1 - The set of all images of the elements in the...Ch. 2.1 - The independent variable is sometimes referred to...Ch. 2.1 - If f( x )=x+1 and g( x )= x 3 , then _______ = x 3...

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Solution Summary: The author explains that the braking distance B, in feet, for a car is given by B (v) = 0.05 v 2 + 0.4

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