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Apr 5, 2024 · Classification of stationary points of function f (x, y) = 2 y 3 + 9 x 2 y + 27 x 2 + 15 y 2 1 lebdim Aug 13, 2025 Calculus Aug 16, 2025 G
Calculus/Intergration Question - Math Help Forum
Jun 14, 2007 · 2 ∫ 0 3 4 (32 9 x 2 2) d x = 2 (32 27 x 3 2 x | 0 3 4) = 2 Now you are looking for a function d (x) = t, 2 ≤ t ≤ 0 such that the area enclosed by the parabola and the graph of d has exactly the …
900 to 1, 2, or 3 significant figures? - Math Help Forum
Feb 7, 2011 · Hi, can anyone explain to me why 900 (or any similar numbers) can be given as one, two or three significant figures? I don't get it.
Stuck on a Related Rates w/ Trig Problem!! | Math Help Forum
Nov 16, 2009 · Call the length of the horizontal side x. Then the cosine rule cos A = b 2 + c 2 a 2 2 b c gives us cos θ = 9 + x 2 49 2 ∗ 3 x = x 2 40 6 x = x 6 20 3 x Related rates nearly always depend on …
Domain and Range of Function: f (x)=1/x^2-9 - Math Help Forum
Mar 25, 2010 · 1/ (x^2 - 9) there's actually no brackets in the equation at all. but i'd say its more likely this one as opposed to the other.
Calculus - Math Help Forum
Jan 4, 2008 · Classification of stationary points of function f (x, y) = 2 y 3 + 9 x 2 y + 27 x 2 + 15 y 2 1 lebdim Aug 13, 2025 5 Aug 16, 2025
Crazily Difficult Optimization problem Please help
Nov 24, 2010 · how about starting with a sketch? let x = distance from point A to point P let C = cost in thousands of $ as a function of x C (x) = x 2 + 5 2 ⋅ 100 + (8 x) 75 find the value of x that minimizes …
need help - Math Help Forum
Jan 22, 2008 · the functional values at 1 and 3 are given not 0 and 2; or are they - difficult to tell from the original question It is hard to tell. I took them to be values for x=0 and x=1. In any case you can just …
Using 'nDeriv' on a TI-84 Plus - Math Help Forum
Oct 6, 2008 · There may be other uses for this, but I know that it can compute the value of a derivative at a given x value. So, for example, nDeriv (x^2+4x-3,x,2) will compute the derivative of x 2 + 4 x − 3 at …
x-intercepts with cubic - Math Help Forum
May 18, 2009 · x 3 3 x + 5 I'm doing lots of things to it like finding turning points etc etc, but I need to sketch it and show important points. To do this, I need to find the x-intercept. I really just don't know …