The function which provides the total stopping distance T . The distance in feet travelled by a car during the driver’s reaction time is represented by the function R x = 3 4 x . While the distance in feet travelled by the car when driver is braking is represented by the function B x = 1 15 x 2 , where x is the speed of the car in miles per hour.
The function which provides the total stopping distance T . The distance in feet travelled by a car during the driver’s reaction time is represented by the function R x = 3 4 x . While the distance in feet travelled by the car when driver is braking is represented by the function B x = 1 15 x 2 , where x is the speed of the car in miles per hour.
Solution Summary: The author explains the function which provides the total stopping distance T. The distance travelled by the car during the driver’s reaction time is represented by R(x)=34
Expression, rule, or law that gives the relationship between an independent variable and dependent variable. Some important types of functions are injective function, surjective function, polynomial function, and inverse function.
Chapter P.9, Problem 57E
(a)
To determine
To calculate: The function which provides the total stopping distance T. The distance in feet travelled by a car during the driver’s reaction time is represented by the function Rx=34x. While the distance in feet travelled by the car when driver is braking is represented by the function Bx=115x2, where x is the speed of the car in miles per hour.
(b )
To determine
To graph : The functions R,B and T over the domain 0≤x≤60 on the same set of coordinate axes. The distance in feet travelled by car during the driver’s reaction time is represented by the function Rx=34x. While the distance travelled by the car when the driver is braking is represented by the function, Bx=115x2, where x is the speed of the car in miles per hour.
( c )
To determine
The function that contributes most to the magnitude of the sum at higher speeds. The distance in feet travelled by car during the driver’s reaction time is represented by the function Rx=34x. While the distance travelled by the car when driver is braking is represented by the function Bx=115x2, where x is the speed of the car in miles per hour.
7. From a point 20 m away on a level ground, the angle of elevation to the bottom of a
the top of the window is 32°. Calculate the
window is 27° and the angle of elevatim
height of the window.
(3 marks)
32
SOUCAHTOA
Rom
Coso-Adj
opponite
1270
H
X
Hyp
Tant=OPP
Adj
20 #
Zom
Adjacent
CoS2E 20 XHX Tanz 20
20
K
-0.0445503261 -1.764201788
0-044550326 60044550320
(1 mark) 3960
8. All odd numbers from 1 to 10 are arranged in descending order to form a number.
(i) Write the number.
35798.
97531
31
(ii) Write the total value of the second digit of the number formed in (a) (i)
FA 7X1000-7000
이
(1 mark)
9. A cylinder has a diameter of 28 cm and the height is 18 cm. Calculate its volume.
2
22 × 14 × 14 × 18
-110880m
3
(3 marks)
10. The figure below shows a right pyramid with AB = 3 cm, BC = 5 cm, and AV
VC = VD = 4 cm. Draw its net.
V
3+
12
7/18
(2/20
2105
SSS
20
Chapter P Solutions
WebAssign Printed Access Card for Larson's Trigonometry, 10th Edition, Single-Term
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