Thursday

October 23, 2014

October 23, 2014

Total # Posts: 15

**calculus**

2. Sketch the region in the first quadrant that is bounded by the graphs of y=x^3, y=4X , and 2x+y-3=0 that lies below both straight lines. Find the area of this region. I can see the graph in front of me. which function do I subtract from which?
*March 11, 2012*

**calculus**

Find the area of the region bounded by the graph of y^3=x^3 and the chord joining the points (-1, 1) and (8,
*March 11, 2012*

**calculus**

2. Let R be the region in the first quadrant bounded by the graphs of (x^2/9)+(y^2/81)=1 and 3x+y=9 . a. Set up but do not evaluate an integral representing the area of R. Express the integrand as a function of a single variable. b. Set up but do not evaluate an integral ...
*March 11, 2012*

**calculus**

2. Let R be the region in the first quadrant bounded by the graphs of (x^2/9)+(y^2/81)=1 and 3x+y=9 . a. Set up but do not evaluate an integral representing the area of R. Express the integrand as a function of a single variable. b. Set up but do not evaluate an integral ...
*March 10, 2012*

**calculus**

2. Let R be the region of the first quadrant bounded by the x-axis and the cuve y=2X-X^2 a. Find the volume produced when R is revolved around the x-axis b. Find the volume produced when R is revolved around the y-axis
*March 9, 2012*

**calculus**

1. Let R be the region in the first quadrant enclosed by the graphs of y=4-X , y=3x , and the y-axis. a. Find the area of region R. b. Find the volume of the solid formed by revolving the region R about the x-axis.
*March 9, 2012*

**calculus**

4. When the area in square units of an expanding circle is increasing twice as fast as its radius in linear units, the radius is A. 1/4pi B.1/4 C.1/pi D. 1 E.pi
*February 26, 2012*

**calculus**

3. For what value of k will x+k/x have a relative maximum at x = -2? A. -4 B. -2 C. 2 D. 4 E. None of these
*February 26, 2012*

**calculus**

1. If 3x^2+2xy+y2=2 then the value of dy/dx x = 1 is A. -2 B. 0 C. 2 D. 4 E. not defined
*February 26, 2012*

**calculus**

5. A particle moves along the y – axis with velocity given by v(t)=tsine(t^2) for t>=0 . a. In which direction (up or down) is the particle moving at time t = 1.5? Why? b. Find the acceleration of the particle at time t= 1.5. Is the velocity of the particle increasing ...
*February 26, 2012*

**calculus**

This is what I found in the paper though.
*February 26, 2012*

**calculus**

Consider the curve defined by 2y^3+6X^2(y)- 12x^2 +6y=1 . a. Show that dy/dx= (4x-2xy)/(x^2+y^2+1) b. Write an equation of each horizontal tangent line to the curve. c. The line through the origin with slope -1 is tangent to the curve at point P. Find the x – and y –...
*February 26, 2012*

**Chemistry 12**

ok nevermind, i think i'm right. thanks for the help guys:)
*October 6, 2010*

**Chemistry 12**

Hello fellow comrades, I was assigned the sulphur clock reaction lab and I'm a tad bit confused by it. Anyway, here's the lab procedure: 1. take 5 test tubes, labeled a,b,c,d and e. accurately measure out 10.0 ml of .20M sodium thiosulphate in test tube A 2. in the ...
*October 6, 2010*

**6th grade**

4.00 - 2.56 should give you the right answer:)
*October 6, 2010*

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