Find (f of g)' at x=0: (6u)/(u^2+5) where u=4x^2+5x+1 and …
Mar 30, 2008 · 1.Question Find the value of (f of g)' at the given value of x. f(u)= (6u)/(u^2+5) u=g(x)=4x^2+5x+1 x=0 2.
If f+g is differentiable, then are f and g differentiable too?
Mar 6, 2011 · So say f is y = x^(1/3), and g is y = -x^(1/3). Both f and g are continuous - the graph of the function is unbroken. (Technically the definition of continuity is that for every value in the …
Can You Solve f(x) + g(x,y) = 0 Where g Is Tangent to f? - Physics …
Aug 22, 2014 · Say we have two functions with the following properties: f(x) is negative and monotonically approaches zero as x increases. g(x,y) is a linear function in x and is, for any …
Prove g(0)=0 from f'(x).(fg)(f(x))=g'(f(x)).f'(x) - Physics Forums
Aug 9, 2013 · Homework Statement Hello, Suppose that f and g are differentiable functions satisfying ##\\displaystyle \\int_{0}^{f(x)} (fg)(t) \\, \\mathrm{d}t=g(f(x))## Prove that g(0)=0 now …
Composing Functions: Solving for f o f, g o g, f o g, and g o f
Jan 12, 2007 · Let f and g be functions from the positive integers to the positive integers defined by the equations: f(n) = 2n + 1, g(n) = 3n - 1 Find the compositions f o f, g o g, f o g, and g o f …
Solving for f'(g(0))g'(0) in the Inverse Function of f - Physics Forums
Apr 16, 2009 · Homework Statement If f(x)=x^3-x-6 and g is the inverse function of f. what is f'(g(0))g'(0)? the answer is 1...but I am not sure how to get that. Homework Equations …
Comparing f(x) and g(x): Analyzing the Possibilities - Physics Forums
Apr 1, 2012 · 0 I feel like I got the first part, but the converse is a little tricky. I'm not sure if I am allowed to conclude at the end that f(x) must equal g(x) almost everywhere.
Integral of product of two functions = 0 - Physics Forums
Nov 13, 2011 · If f \in L^1(0,1) and if \int_0^1 fg = 0 for any continuous g \colon (0,1) \rightarrow \mathbb{R}, then is it the case that f = 0 almost everywhere in... Insights Blog -- Browse All …
Proving Little o Notation: f(x) = o(g(x)) as x → 0 - Physics Forums
Feb 12, 2013 · Homework Statement Given two functions f and g with derivatives in some interval containing 0, where g is positive. Assume also f(x) = o(g(x)) as x → 0. Prove or disprove each …
Does max|f - g| Define a Metric? - Physics Forums
Nov 23, 2013 · Would it be safe to say, then, that d(f, g) =max|f − g| does not define a metric on X for this particular case, because X is a set of functions that map [0,1] to R, and R is …