Precalculus
11th Edition
ISBN: 9780135189405
Author: Michael Sullivan
Publisher: PEARSON
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Textbook Question
Chapter 3.1, Problem 54AYU
Developing a Linear Model from Data The following data represent the various combinations of soda and hot dogs that Yolanda can buy at a baseball game with .
a. Plot the ordered pairs in a Cartesian plane.
b. Show that the number of hot dogs purchased is a linear function of the number of sodas purchased .
c. Determine the linear function that describes the relation between and .
d. What is the implied domain of the linear function?
e. Graph the linear function in the Cartesian plane drawn in part (a).
f. Interpret the slope.
g. Interpret the values of the intercepts.
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2.3 Vibration amplitude of a machine plotted against time shown in Fig. T2.3. is described by
sin(0.8+) In(t + 2)
x(t) =
t + 0.5
Here, t is in seconds and x is in millimeters
0.6
0.4
0.2
°
-0.2
mmm
-0.4
0
10
20
30
40
50
60
70
Time [s]
Fig. T2.3: Machine vibration amplitude variation against time
Obtain the vibration velocity as a function of time, x(t), if it is measured by a vibration velocity sensor.
Example(1):
(Adiabatic humidification and cooling of
air). Air has to be humidified and cooled
adiabatically in a honzontal spray chamber
with recirculated water. The active part of
the chamber is Im #2m #15 m long. Under
the operating conditions, the coefficient
of heat transfer is expected to be 1300
kcal/(hr)(m2)(°C). 200 m3/min of air at 60
°C and 1 atm pressure with a humidity of
0.018 kg water/kg dry air is to be blown
through the spray chamber. Calculate the
following
(a) the temperature and hunudity of the
exit air
(b) make-up water to be supplied, windage
and blow down are neglected
(c) the expected gas-phase mass transfer
coefficient, kya
(d) the temperature and humidity of the
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Chapter 3 Solutions
Precalculus
Ch. 3.1 - Graph.
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The following data...Ch. 3.4 - Which Model? A cricket makes a chirping noise by...Ch. 3.4 - Mixed Practice Which Model? The following data...Ch. 3.4 - Prob. 22AYUCh. 3.4 - Prob. 23AYUCh. 3.4 - Prob. 24AYUCh. 3.4 - Prob. 25AYUCh. 3.4 - Prob. 26AYUCh. 3.4 - Prob. 27AYUCh. 3.4 - Prob. 28AYUCh. 3.4 - Prob. 29AYUCh. 3.4 - Prob. 30AYUCh. 3.4 - Prob. 31AYUCh. 3.4 - Prob. 32AYUCh. 3.4 - Prob. 33AYUCh. 3.4 - Prob. 34AYUCh. 3.4 - Prob. 35AYUCh. 3.4 - Prob. 36AYUCh. 3.4 - Prob. 37AYUCh. 3.5 - Solve the inequality 3x27 .Ch. 3.5 - Write (2,7] using inequality notation.Ch. 3.5 - (a) f( x )0 (b) f( x )0Ch. 3.5 - (a) g( x )0 (b) g( x )0Ch. 3.5 - (a) g( x )f( x ) (b) f( x )g( x )Ch. 3.5 - (a) f( x )g( x ) (b) f( x )g( x )Ch. 3.5 - x 2 3x100Ch. 3.5 - x 2 +3x100Ch. 3.5 - x 2 4x0Ch. 3.5 - x 2 +8x0Ch. 3.5 - x 2 90Ch. 3.5 - x 2 10Ch. 3.5 - x 2 +x12Ch. 3.5 - x 2 +7x12Ch. 3.5 - 2 x 2 5x+3Ch. 3.5 - 6 x 2 6+5xCh. 3.5 - x 2 x+10Ch. 3.5 - x 2 +2x+40Ch. 3.5 - 4 x 2 +96xCh. 3.5 - 25 x 2 +1640xCh. 3.5 - 6( x 2 1 )5xCh. 3.5 - 2( 2 x 2 3x )9Ch. 3.5 - In Problems 25-32, use the given functions f and g...Ch. 3.5 - In Problems 25-32, use the given functions f and g...Ch. 3.5 - In Problems 25-32, use the given functions f and g...Ch. 3.5 - In Problems 25-32, use the given functions f and g...Ch. 3.5 - In Problems 25-32, use the given functions f and g...Ch. 3.5 - In Problems 25-32, use the given functions f and g...Ch. 3.5 - In Problems 25-32, use the given functions f and g...Ch. 3.5 - In Problems 25-32, use the given functions f and g...Ch. 3.5 - What is the domain of the function f( x )= x 2 16...Ch. 3.5 - What is the domain of the function f( x )= x3 x 2...Ch. 3.5 - Physics A ball is thrown vertically upward with an...Ch. 3.5 - Physics A ball is thrown vertically upward with an...Ch. 3.5 - Revenue Suppose that the manufacturer of a gas...Ch. 3.5 - Revenue The John Deere company has found that the...Ch. 3.5 - Artillery A projectile Fired from the point ( 0,0...Ch. 3.5 - Runaway Car Using Hooke's Law, we can show that...Ch. 3.5 - Show that the inequality ( x4 ) 2 0 has exactly...Ch. 3.5 - Show that the inequality ( x2 ) 2 0 has one real...Ch. 3.5 - Explain why the inequality x 2 +x+10 has all real...Ch. 3.5 - Explain why the inequality x 2 x+10 has the empty...Ch. 3.5 - Explain the circumstances under which the...Ch. 3.5 - Determine the domain of f( x )= 102x .Ch. 3.5 - Determine algebraically whether f( x )= x x 2 +9...Ch. 3.5 - Consider the linear function f( x )= 2 3 x6 . 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Solve
Graph each function and label...Ch. 3 - Consider the quadratic function
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- #7 Using implicit differentiation, find the equation of the tangent line to the given curve at the given point: a) 3x2y2-3y-17=5x+14 at (1,-3) b) y2-7xy+x-2x=9 at (0,3)arrow_forwardSimpson’s Rule with n = 4 subintervals to estimate the integral of the squre root of x dx with upper bounds of 9 and lower bounds of 1 is 14.2302 but exactly 18. Use the Error Bound to find the bound for the error.arrow_forwardSimpson’s Rule with n = 4 subintervals to estimate the integral of the squre root of x dx with upper bounds of 9 and lower bounds of 1 is 14.2302. Use the error made using this estimatearrow_forward
- the integral of the squre root of x dx with upper bounds of 9 and lower bounds of 1 is 14.2302 but exactly 18. Use the Error Bound to find the bound for the error.arrow_forwardSimpson’s Rule with n = 4 subintervals to estimate the integral of the squre root of x dx with upper bounds of 9 nd lower bounds of 1 is 14.2302 but exactly 18.arrow_forwardSimpson’s Rule with n = 4 subintervals to estimate the integral of the square root of x dx upper bound of 9 and lower bound of 1 is 14.2302 but exactly 18.arrow_forward
- The integral of x2 dx with upper bounds of 2 and lower bounds of 0 is 8/3. The error bound is <4/3.arrow_forwardThe integral of x2 dx with upper bounds of 2 and lower bounds of 0 is 8/3. Use the Error Bound to find the bound for the error.arrow_forwardUse the Error Bound Formula for the trapezoid Rule to determine N so that if the integreal of e-2x dx with upper bound of 10 and ler bound of 0 is approximated using the Trapzoid Rule with N subintervals, the error is guaranteed to be less that 10-4arrow_forward
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