Cos(logx + ex)

Cos(logx + ex)

Hi I have been given a function f:(a,b)→R, which is differentiable on (a,b). How do I use this information to prove that f is also continuous on (a,b)? Thanks.

A farmer wants to fence his farm with a fencing material of total length 300 m such that fenced area is minimum. He fences it such that he obtains a square and a rectangle sharing a common...

I need help with part C as i am unsure what value i should put into x to find the +C part a + b + c: a) show that there is a single value of x for which the curve has...

Calculus, Differentiation

show that: f'(x) = 1/xsinx (sec^3 x + ( 1 - 1/x) sec x tan x )

show that :f'(x) = 1/ xsinx (sec^3 x + (1-1/x)secxtanx)

g(x) = x2(1 − 8x)

A system in a lab is tested under two different conditions. The angular acceleration of the system s described by the equations: a(t)=d^2const/dt^2=10cos (5t). Find the angular velocity of the...

The angular acceleration of a system is described by the following equation: a(t)=d^2Radians/dt^2=10cos (5t). Find the angular velocity of the system in radians after 14 seconds

F(x) = x^3 - 3x^2 - 9x + 5.

A car leaves an intersection traveling west. Its position 4 sec later is 22 ft from the intersection. At the same time, another car leaves the same intersection heading north so that its position...

For the following demand equation compute the elasticity of demand and determine whether the demand is elastic, unitary, or inelastic at the indicated price. (Round your answer to three decimal places...

(Xn+Δx)n-xn=

Y2 means d^2y/(dx)^2 Y1 means dy/dx

I just dont know how to do it

I just dont know how to do it.

y=(3x-5)5 (5-x5)4 dy = dx

It is a multiple choice question of entrance examination

let 𝑈(𝑥, 𝑦) be defined for all x > 0, y > 0 by 𝑈(𝑥, 𝑦) = ln(𝑥^a+y^a)-Ln(y^a) where 𝛼 is a positive constant find U'1(x,y), U'2(x,y) and U''12(x,y)

Leo R.

Licensed Math Teacher - SAT/ACT & K-12 Academic Math Subject Tutoring

Needham Heights, MA

5.0
(196 ratings)

Kevin C.

Successful Math Tutor -- Recently retired high school math teacher

Sandy Spring, MD

5.0
(556 ratings)

Stephen B.

Secondary or College Math/SAT/GRE Tutor

Bossier City, LA

4.8
(118 ratings)