Search 72,377 tutors
FIND TUTORS
Ask a question

Ask questions and get free answers from expert tutors

Math Answers

Most Active Answered Newest Most Votes

Let F(T) be the cost of heating your house, in dollars per day, when the average outside temperature is T Celsius degrees. (a) Make a rough sketch a possible graph of F(T). (There are many possible...

a) Sketch a function that has a positive first derivative for x < −5, a derivative of zero for −5 < x < 5 and a negative first derivative for x > 5. (b) Call this function f(x). On the...

I want to find ∂_x(u)(0,1) i.e. u_x where u(x,t) is the solution of the heat equation ∂_t(u) = ∂_x^2(u) i.e. u_t = u_(xx) with the initial condition u(x,0) = X_[0,∞](x) = 0 when x<=0 and = 1 when...

1 2 3 4 5

RSS Math Answers RSS feed