MyLab Math with Pearson eText -- Access Card -- for Using & Understanding Mathematics with Integrated Review
7th Edition
ISBN: 9780134715865
Author: Jeffrey O. Bennett, William L. Briggs
Publisher: PEARSON
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Chapter P, Problem 5DQ
Your Quantitative Major. Identify ways in which quantitative reasoning is important within your major field of study. (If you haven't yet chosen a major, pick a field that you are considering for your major.)
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Find the area between the following curves.
x=-4, x=2, y=ex, and y = 3 - ex
Set up the integral (or integrals) needed to compute this area. Use the small
(Type exact answers in terms of e.)
3
In
2
A.
S
√ [3-2e*] dx+
-4
2
S [2ex-3] dx
3
In
2
B.
dx
Find the area between the curves.
Area = (Type an exact answer in terms of e.)
Use the definite integral to find the area between the x-axis and f(x) over the indicated interval. Check first to see if the graph crosses the x-axis in the given interval.
f(x)=8-2x²: [0,4]
Set up the integral (or integrals) needed to compute this area. Use the smallest possible number of integrals. Select the correct choice below and fill in the answer boxes to
○ A.
dx
B.
2
S
8-2x² dx+
4
S
2
8-2x2 dx
C.
dx +
S
dx
For the interval [0,4], the area between the x-axis and f(x) is
(Type an integer or a simplified fraction.)
Pollution from a factory is entering a lake. The rate of concentration of the pollutant at time t is
5
given by P'(t) = 126t², where t is the number of years since the factory started introducing
pollutants into the lake. Ecologists estimate that the lake can accept a total level of pollution of
600 units before all the fish life in the lake ends. Can the factory operate for 2 years without killing
all the fish in the lake?
Set up the integral that would determine the pollution level after 2 years.
2
5
126t
2
dt
Can the factory operate for 2 years without killing all the fish in the lake?
Thee factory can operate for 2 years without killing all the fish in the lake because the value
of the integral is , which is less than 600.
(Round to the nearest integer as needed.)
Chapter P Solutions
MyLab Math with Pearson eText -- Access Card -- for Using & Understanding Mathematics with Integrated Review
Ch. P - Prob. 1DQCh. P - Quantitative Concepts in the News. Identify the...Ch. P - Mathematics and the Arts. Choose a well-known...Ch. P - Quantitative Literature. Choose a favorite work of...Ch. P - Your Quantitative Major. Identify ways in which...Ch. P - Career Preparation. Realizing that Americans...Ch. P - Attitudes Toward Mathematics. What is your...Ch. P - "Bad at Math" as a Social Disease. Discuss reasons...
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- Use the definite integral to find the area between the x-axis and f(x) over the indicated interval. Check first to see if the graph crosses the x-axis in the given interval. f(x)=4x-12; [2,6] The area between the x-axis and f(x) is (Type an integer or a simplified fraction.)arrow_forwardEvaluate the definite integral. 70 √5√2-6 3 dz 70 S 5√2-6 dz= 7 江 (Type an integer or decimal rounded to two decimal places as needed.)arrow_forwardFind the area between the following curves. 2 y=x³-x²+x+4; y=5x² -7x+4 The area between the curves is (Simplify your answer.) ...arrow_forward
- Find the area of the shaded region. 3- -1 -3- Q The total area of the shaded regions is (Simplify your answer.) y=9-x² Q 1 3 5 Xarrow_forwardFind the area of the region bounded by the graphs of the given equations. y=17x, y=x² ... The area is (Type an integer or a simplified fraction.)arrow_forwardFind the area between the curves. y=x-26, y=9-2x ... The area between the curves is (Type an integer or decimal rounded to the nearest tenth as needed.)arrow_forward
- You are constructing a box out of cardboard with the dimensions 5 m by 6 m. You then cut equal-size squares from each corner so you may fold the edges. Let x be the side length of each square. Find that maximizes the volume of the box. Answer exactly. 8 x x H x ४ x ४ ४ marrow_forwardFind the lengths of PR and OR in terms of the angles α and β. Find the angles ∠ONQ and ∠NPQ. Find the lengths of ON and PN in terms of the angle β. Find the length of PQ. Find the length of QR. Find the length of OM. Find the length of RM. What formula can you write down by noting that PR = QR + PQ? What formula can you write down by noting that OR = OM - RM?arrow_forward× Question 2 ▾ Score on last try: 0 of 1 pts. See Details for more. > Next question You can retry this question below Find two positive numbers x and y such that x + y = 14 and they minimize x² + y². x = Уarrow_forward
- 7) Solve the given system using the Gaussian Elimination process. (5x-4y = 34 (2x - 2y = 14arrow_forwardSup the is a -12 -10 -8 -6 -4 -2 16 Af(x) 8 -8- -16arrow_forwardם Hwk 25 Hwk 25 - (MA 244-03) (SP25) || X Answered: [) Hwk 25 Hwk 28 - (X + https://www.webassign.net/web/Student/Assignment-Responses/last?dep=36606604 3. [1.14/4 Points] DETAILS MY NOTES LARLINALG8 6.4.013. Let B = {(1, 3), (-2, -2)} and B' = {(−12, 0), (-4, 4)} be bases for R², and let 42 - [13] A = 30 be the matrix for T: R² R² relative to B. (a) Find the transition matrix P from B' to B. 6 4 P = 9 4 (b) Use the matrices P and A to find [v] B and [T(V)] B, where [v]B[31]. 26 [V] B = -> 65 234 [T(V)]B= -> 274 (c) Find P-1 and A' (the matrix for T relative to B'). -1/3 1/3 - p-1 = -> 3/4 -1/2 ↓ ↑ -1 -1.3 A' = 12 8 ↓ ↑ (d) Find [T(v)] B' two ways. 4.33 [T(v)]BP-1[T(v)]B = 52 4.33 [T(v)]B' A'[V]B' = 52 目 67% PREVIOUS ANSWERS ill ASK YOUR TEACHER PRACTICE ANOTHERarrow_forward
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