REALLY NEED HELP!!!!

Most popular questions and responses by REALLY NEED HELP!!!!
  1. Math: Calculus

    The velocity of a car is f(t)=7t meters/second. Use a graph of f(t) to find the exact distance traveled by the car, in meters, from t = 0 to t = 10 seconds

    asked on November 10, 2010
  2. Math: Calculus

    The velocity function is v(t)= t^2-5t+ 4 for a particle moving along a line. The position function s(t) is an antiderivative of the velocity function. Find the displacement, s(6) - s(-3), by the particle during the time interval [-3,6].

    asked on November 11, 2010
  3. Math: Calculus

    A fence 6 feet tall runs parallel to a tall building at a distance of 2 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?

    asked on October 29, 2010
  4. Math: Calculus

    A cylinder is inscribed in a right circular cone of height 3.5 and radius (at the base) equal to 7. What are the dimensions of such a cylinder which has maximum volume?

    asked on October 29, 2010
  5. Math: Calculus

    Answer the following questions for the function f(x) = \frac{ x^3 }{ x^2 - 36 } defined on the interval [ -20, 16 ]. A. The function f(x) has vertical asympototes at____ and___ B. f(x) is concave up on the region___ to and____ to___ C. The inflection point

    asked on November 3, 2010
  6. Math: Calculus

    Can someone help me out here with these two problem? I have know idea where to start. 1)The equation: 10(x-1)(x-2)(x-3)=1, has three real solutions a

    asked on November 4, 2010
  7. Math: Calculus

    Consider the function f(x) whose second derivative is f''(x) = 8x + 4sin(x). If f(0) = 2 and f'(0) = 2, what is f(x)? I got... f'(x)=4(x^2 - cos[x]) and f(x)=(4(x^3 - 3sin[x]))/3 but it's wrong. Can anyone explain to me how to solve this.

    asked on November 10, 2010
  8. Math: Calculus

    Find the smallest positive value of which satisfies -- x=4.100cos(2.800x) Give the answer to four places of accuracy._________ Remember to calculate the trig functions in radian mode.

    asked on November 4, 2010
  9. Math: Calculus

    You are given the four points in the plane A = (5,-6), B = (9,1), C = (14,-6), and D = (19,2). The graph of the function f(x) consists of the three line segments AB, BC and CD. Find the integral f(x)dx from 5 to 19 by interpreting the integral in terms of

    asked on November 17, 2010
  10. Math: Calculus

    Estimate the area under the graph of f(x)=3x^3+5 from x=-1 to x=4, first using 5 approximating rectangles and right endpoints, and then improving your estimate using 10 approximating rectangles and right endpoints. I'm having problem with using the

    asked on November 12, 2010
  11. Math: Calculus

    The equation: 10(x-1)(x-2)(x-3)=1, has three real solutions a

    asked on November 4, 2010
  12. Math: Calculus

    Estimate the area under the graph of f(x)=x^2+2x from x = 4 to x = 10 using 3 approximating rectangles and left endpoints. I got 290.25 as my answer but it's wrong. Would someone explain to me how to answer this question.

    asked on November 12, 2010
  13. Math: Calculus

    Given f''(x) = 4x - 3 and f'( -3) =2 and f( -3)=-1. Find f'(x) =______ and find f( 1) =_____

    asked on November 10, 2010
  1. Math: Calculus

    Never mind i got it.

    posted on November 11, 2010
  2. Math: Calculus

    That's the problem. I have no idea. The question is exactly like i posted it here. I did the same thing but i realized i wasn't given a value of what it should equal to. I was hoping there a different way of solving this problem

    posted on November 11, 2010
  3. Math: Calculus

    I don't know why but the answer is wrong.

    posted on November 10, 2010
  4. Math: Calculus

    This website doesn't help me in solving my question.

    posted on November 4, 2010
  5. Math: Calculus

    This website doesn't help me in solving my question.

    posted on November 4, 2010
  6. Math: Calculus

    f(x)=(x^3)/(x^2-36)

    posted on November 3, 2010
  7. Math: Calculus

    I actually got 10.811 ft

    posted on October 29, 2010
  8. Math: Calculus

    I manage to get to that point but maximizing it is the problem.

    posted on October 29, 2010
  9. Math: Calculus

    THANKS YOU Reiny!!! You are a great help. Turns out my "y" was wrong but I did get the "x"

    posted on October 29, 2010