User contributions for ChristinaKoch
30 September 2014
- 21:1421:14, 30 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 08 No edit summary
- 21:1321:13, 30 September 2014 diff hist +400 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 08/Statement Created page with "Given the differential equation and initial condition : <math>\frac{dy}{dt} = y^2(y - a), y(0) = 2a</math> where <math>a > 0</math> is a constant, which of the following is ..."
- 21:1121:11, 30 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 07 No edit summary
- 21:1021:10, 30 September 2014 diff hist +676 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 07/Statement Created page with "The number of sunspots (solar storms on the sun) varies with a period of roughly 11 years reaching a high of 120 and a low of 0 sunspots detected. A peak of 120 sunspots was ..." current
- 21:0621:06, 30 September 2014 diff hist +307 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 06/Statement Created page with "The slope field shown below corresponds to which differential equation? (img) (a) <math>\frac{dy}{dt} = y(y+1)</math> (b) <math>\frac{dy}{dt} = (y - 1)(y + 1)</math> (c)..."
- 21:0521:05, 30 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 05 No edit summary
- 21:0421:04, 30 September 2014 diff hist +721 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 05/Statement Created page with "Consider the function <math>y = \cos(x)</math> and the tangent line to this function at the point <math>x = \pi/2</math>. Using that tangent line as a linear approximation of..."
- 21:0221:02, 30 September 2014 diff hist +14 Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 04/Statement No edit summary
- 21:0121:01, 30 September 2014 diff hist +480 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 04/Statement Created page with "Shown in the figure below is a function and its tangent line at <math>x = x_0</math>. (img) The tangent line intersects the ''x'' axis at the point <math>x = x_1</math>. ..."
- 20:5820:58, 30 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 04 No edit summary
- 20:5720:57, 30 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 04 No edit summary
- 20:5720:57, 30 September 2014 diff hist +536 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 04/Statement Created page with "Shown in the figure below is the view from above of the path taken by a penguin from point A to a feeding area on the shore at point C. The penguin must choose the point B to..."
- 20:5520:55, 30 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 03 No edit summary
- 20:5420:54, 30 September 2014 diff hist +323 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 03/Statement Created page with "Consider the function : <math>f(x) = x^2e^{-x}</math> defined on the whole real line. Find all zeros of <math>f, f'</math> and <math>f''</math> and determine all local mi..."
- 20:5220:52, 30 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 02 (d) No edit summary
- 20:5220:52, 30 September 2014 diff hist +810 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 02 (d)/Statement Created page with "The population of fish in a particular lake is given by the function ''F(t)'' where ''F'' is measured in number of fish and ''t'' is measured in days. A company that manages ..." current
- 20:5020:50, 30 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 02 (c) No edit summary
- 20:5020:50, 30 September 2014 diff hist +954 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 02 (c)/Statement Created page with "The population of fish in a particular lake is given by the function ''F(t)'' where ''F'' is measured in number of fish and ''t'' is measured in days. A company that manages ..." current
- 20:4820:48, 30 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 02 (b) No edit summary
- 20:4720:47, 30 September 2014 diff hist +578 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 02 (b)/Statement Created page with "The population of fish in a particular lake is given by the function ''F(t)'' where ''F'' is measured in number of fish and ''t'' is measured in days. A company that manages ..." current
- 20:4720:47, 30 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 02 (a) No edit summary
- 20:4720:47, 30 September 2014 diff hist +564 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 02 (a)/Statement Created page with "The population of fish in a particular lake is given by the function ''F(t)'' where ''F'' is measured in number of fish and ''t'' is measured in days. A company that manages ..." current
- 20:4420:44, 30 September 2014 diff hist +501 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question C 01/Statement Created page with "A mollusc grows inside a shell and produces new shell material at its opening (indicated in the image below in bold) (img) The volume of the shell can be approximated as tha..."
29 September 2014
- 23:1923:19, 29 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 08 No edit summary
- 23:1923:19, 29 September 2014 diff hist +419 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 08/Statement Created page with "The velocity of a crawling cell has been modelled as <math>v(x) = \frac{1}{ax + e^{1/x}}</math> where <math> x > 0 </math> is the number of actin filaments driving the motio..." current
- 23:1623:16, 29 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 07 No edit summary
- 23:1623:16, 29 September 2014 diff hist +408 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 07/Statement Created page with "Initially, a patient has <math>1000</math> copies of the HIV virus. If the smallest detectable viral load is <math>350,000</math> virus particles, how long (in days) will it ..." current
- 23:1423:14, 29 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 06 No edit summary
- 23:1423:14, 29 September 2014 diff hist +178 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 06/Statement Created page with "Let <math>f(x) = \begin{cases} x^2 & x < 1 \\ a-x & x \geq 1 \end{cases}</math> where ''a'' is a constant. What value of ''a'' ensures that ''f'' is continuous for all ''x''?" current
- 23:1223:12, 29 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 05 No edit summary
- 23:1123:11, 29 September 2014 diff hist +83 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 05/Statement Created page with "Compute the limit <math>L = \lim_{h \to 0} \frac{\sqrt{3+h} - \sqrt{3}}{h} </math>" current
- 23:1023:10, 29 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 04 No edit summary
- 23:1023:10, 29 September 2014 diff hist +95 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 04/Statement Created page with "What function satisfies <math>y'' + 4y = 0</math> with initial condition <math>y(0) = 1</math>?" current
- 23:0823:08, 29 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 03 No edit summary
- 23:0823:08, 29 September 2014 diff hist +99 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 03/Statement Created page with "List the ''x'' coordinates of all local minima and maxima of <math>f(x) = x^5 - \frac54 x^4</math>."
- 23:0723:07, 29 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 02 No edit summary
- 23:0623:06, 29 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 02/Hint 1 No edit summary
- 23:0623:06, 29 September 2014 diff hist +99 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 02/Hint 1 Created page with "You made need the following formula (cosine law) <math>a^2 = b^2 + c^2 - 2bc cos(�\theta)</math>"
- 23:0423:04, 29 September 2014 diff hist +270 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 02/Statement Created page with "A triangle has two sides with fixed lengths 3 cm and 4 cm respectively. The angle between them changes at a constant rate of 1 radian/sec. How quickly is the length of the t..." current
- 23:0423:04, 29 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 01 No edit summary
- 23:0323:03, 29 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 03 No edit summary
- 23:0223:02, 29 September 2014 diff hist +202 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question B 01/Statement Created page with "Use implicit differentiation to find <math>dy / dx </math> where <math>y(x)</math> is defined implicitly by <math>\tan(y) = x</math>. Your answer should not include any trig ..." current
- 23:0123:01, 29 September 2014 diff hist −3 m Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 03/Statement No edit summary
- 23:0023:00, 29 September 2014 diff hist +407 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 03/Statement Created page with "Consider the differential equation and initial condition <math>\frac{dy}{dt} = 2 - y^2, y(0) = 1</math>. Use Euler's method with one step of size <math>\Delta t = 0/1</mat..."
- 22:5922:59, 29 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 02 No edit summary
- 22:5722:57, 29 September 2014 diff hist +305 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 02/Statement Created page with "Which of the following gives a value of <math>\cos \left( \arcsin \left( \frac{\sqrt{9-x^2}}{3} \right) \right) </math> ? (a) <math>\frac{3}{x}</math> (b) <math>\frac{x}{3}<..." current
- 22:5422:54, 29 September 2014 diff hist 0 Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 01 No edit summary
- 22:5422:54, 29 September 2014 diff hist −5 Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 01/Statement No edit summary
- 22:5222:52, 29 September 2014 diff hist +294 N Science:Math Exam Resources/Courses/MATH102/December 2013/Question A 01/Statement Created page with "Let <math>f(x) = sin(x) + ax^2</math>. Which of the following conditions describes all values of ''a'' for which ''f'' HAS inflection points? (a) <math>|a| > 1/2 </math> (b)..."
22 September 2014
- 04:3204:32, 22 September 2014 diff hist +1 m Sandbox:MER Main Page No edit summary