Lost One

This page lists questions and answers that were posted by visitors named Lost One.

Questions

The following questions were asked by visitors named Lost One.

a 5m ladder rests against a vertical wall. The top of the ladder begins sliding down the wall at 2m/sec, while the foot of the ladder moves away from the base of the wall. How fast is the foot of the ladder moving away from the wall at the instant the foo...

Find dy/dx of 3 sin x cos y = 2 using implicit differentiation.

A function has a relative Maximum of (0,0) and a relative minimum of (3,-5). What is the function?

Is this statment true? Please explain. At a relative extrema, f'(x) = 0

Which of the following would have a horizontal asymptote of y = b/a? Which one has a horizontal asymptote of y = 0? ( bx^3 - x^2 + 3 ) / ( ax^2 - 2 ) ( bx^3 - x^2 + 3 ) / ( ax^3 - 2 ) ( bx^3 - x^2 + 3 ) / ( ax^4 - 2 ) ( bx^2 / a ) - 6 Please explain! :)

Find the dimensions of a rectangle of maximum area with sides parallel to the coordinate axes that can be inscribed in the ellipse given by x^2/169 + y^2/49 = 1. What would be the primary equation?

Which of the following represents the actual change in the value of y when the value of x has changed in f(x)? delta y dy f'(x) f'(x)dx

Find the area of the region bound by f(y) = 9y - y^2 and the y-axis over the interval 3 <= y <= 6.

find the derivative of y =(x+3)^3 / sqrt(x^2 -1) using logarithmic differentation.

Differentiate f(x) = ln(x)/sin(x)

Let f(x) = (2/3)x^3 - 2x + 1 with a restricted domain of [1,infinity]. What is the value of (f-1)'(x) when x = 13?

Convert this equation so that it could be entered into a calculator in the standard y= format. x^2 - 4xy + 4y^2 - 8y + 2 = 0

Rewrite 6x^2 - sqrt(3)xy + 5y^2 - 9 = 0 with the xy term eliminated.

Convert 2xy = 1 to polar form.

Answers

The following answers were posted by visitors named Lost One.

Okay, I think I got it... So then, of these, the limit as x approaches infinity does not exist for the second one?

Okay, I see the logic of this now, but I have another problem. This is for a multichoice worksheet, and the four choices are 1/13, 13, 3, & 1/16. Which one is the correct choice?