Pearson eText Calculus and Its Applications, Brief Edition -- Instant Access (Pearson+)
12th Edition
ISBN: 9780136880257
Author: Marvin Bittinger, David Ellenbogen
Publisher: PEARSON+
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Chapter CR, Problem 71CR
(a.)
To determine
The value of
(b.)
To determine
The average value of
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Evaluate the following integrals, showing all your working
Consider the function f(x) = 2x³-4x2-x+1.
(a) Without doing a sketch, show that the cubic equation has at least one solution on the interval
[0,1]. Use a theorem discussed in lectures, or see Section 1.8 of Calculus (7th ed) by Stewart.
Ensure that the conditions of the theorem are satisfied (include this in your solution)
(b) Now, by sketching the cubic (by hand or by computer), you should see that there is, in fact,
exactly one zero in the interval [0,1]. Use Newton's method to find this zero accurate to 3
decimal places. You should include a sketch of the cubic, Newton's iteration formula, and
the list of iterates. [Use a computer if possible, e.g., a spreadsheet or MatLab.]
Evaluate the following integrals, showing all your working
Chapter CR Solutions
Pearson eText Calculus and Its Applications, Brief Edition -- Instant Access (Pearson+)
Ch. CR - Prob. 1CRCh. CR - Prob. 2CRCh. CR - Prob. 3CRCh. CR - Prob. 4CRCh. CR - Prob. 5CRCh. CR - Prob. 6CRCh. CR - Prob. 7CRCh. CR - Prob. 8CRCh. CR - Prob. 9CRCh. CR - Prob. 10CR
Ch. CR - Prob. 11CRCh. CR - Prob. 12CRCh. CR - Prob. 13CRCh. CR - Prob. 14CRCh. CR - Prob. 15CRCh. CR - Prob. 16CRCh. CR - Prob. 17CRCh. CR - Prob. 18CRCh. CR - Prob. 19CRCh. CR - Prob. 20CRCh. CR - Prob. 21CRCh. CR - Prob. 22CRCh. CR - Prob. 23CRCh. CR - Prob. 24CRCh. CR - Prob. 25CRCh. CR - Prob. 26CRCh. CR - Prob. 27CRCh. CR - Prob. 28CRCh. CR - Prob. 29CRCh. CR - Prob. 30CRCh. CR - Prob. 31CRCh. CR - Prob. 32CRCh. CR - Prob. 33CRCh. CR - Prob. 34CRCh. CR - Prob. 35CRCh. CR - Prob. 36CRCh. CR - Prob. 37CRCh. CR - Prob. 40CRCh. CR - Prob. 41CRCh. CR - Prob. 42CRCh. CR - Prob. 43CRCh. CR - Prob. 44CRCh. CR - Prob. 45CRCh. CR - Prob. 46CRCh. CR - Prob. 47CRCh. CR - Prob. 48CRCh. CR - Prob. 49CRCh. CR - Prob. 50CRCh. CR - Prob. 52CRCh. CR - Prob. 54CRCh. CR - Prob. 55CRCh. CR - Prob. 56CRCh. CR - Prob. 57CRCh. CR - Prob. 58CRCh. CR - Prob. 59CRCh. CR - Prob. 61CRCh. CR - Prob. 62CRCh. CR - Prob. 63CRCh. CR - Suppose the rate of change of y with respect to x...Ch. CR - Prob. 65CRCh. CR - Prob. 66CRCh. CR - Prob. 67CRCh. CR - Prob. 68CRCh. CR - Prob. 69CRCh. CR - Prob. 70CRCh. CR - Prob. 71CRCh. CR - Prob. 72CR
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- Consider the equation, f(x) = x*. (a) Using the trapezoidal method with 3 columns, estimate the value of the integral f² f(x)dx. (b) Using the trapezoidal method with 10 columns, estimate the value of the integral f² f(x)dx. You many need software to help you do this (e.g. MATLAB, Excel, Google sheets). (c) Use software to accurately calculate the integral (e.g. Wolfram alpha, Matlab). Using this answer, comment on the answers you found in parts a) and b).arrow_forwardUsing the first-principles definition of differentiation, find the derivative of f(x) = = 2x²arrow_forwardEvaluate the following integrals, showing all your workingarrow_forward
- Differentiate the following functionarrow_forwardQuestion 1. (10 points) A researcher is studying tumours in mice. The growth rate for the volume of the tumour V(t) in cm³ is given by dV = 1.45V(2 In(V+1)). dt (a) (4 pts) Find all the equilibria and determine their stability using the stability condition. (b) (2 pts) Draw the phase plot f(V) versus V where f(V) = V'. You may find it helpful to use Desmos or Wolfram Alpha to plot the graph of f(V) versus V (both are free to use online), or you can plot it by hand if you like. On the plot identify each equilibrium as stable or unstable. (c) (4 pts) Draw direction arrows for the case where the tumour starts at size 3cm³ and for the case where the tumour starts at size 9cm³. Explain in biological terms what happens to the size of each of these tumours at time progresses.arrow_forwardFor the system consisting of the two planes:plane 1: -x + y + z = 0plane 2: 3x + y + 3z = 0a) Are the planes parallel and/or coincident? Justify your answer. What does this tell you about the solution to the system?b) Solve the system (if possible). Show a complete solution. If there is a line of intersection express it in parametric form.arrow_forward
- Question 2: (10 points) Evaluate the definite integral. Use the following form of the definition of the integral to evaluate the integral: Theorem: Iff is integrable on [a, b], then where Ax = (ba)/n and x₂ = a + i^x. You might need the following formulas. IM³ L² (3x² (3x²+2x- 2x - 1)dx. n [f(z)dz lim f(x)Az a n→∞ i=1 n(n + 1) 2 n i=1 n(n+1)(2n+1) 6arrow_forwardFor the system consisting of the three planes:plane 1: -4x + 4y - 2z = -8plane 2: 2x + 2y + 4z = 20plane 3: -2x - 3y + z = -1a) Are any of the planes parallel and/or coincident? Justify your answer.b) Determine if the normals are coplanar. What does this tell you about the system?c) Solve the system if possible. Show a complete solution (do not use matrix operations). Classify the system using the terms: consistent, inconsistent, dependent and/or independent.arrow_forwardFor the system consisting of the three planes:plane 1: -4x + 4y - 2z = -8plane 2: 2x + 2y + 4z = 20plane 3: -2x - 3y + z = -1a) Are any of the planes parallel and/or coincident? Justify your answer.b) Determine if the normals are coplanar. What does this tell you about the system?c) Solve the system if possible. Show a complete solution (do not use matrix operations). Classify the system using the terms: consistent, inconsistent, dependent and/or independent.arrow_forward
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