Find the value of k such that the curve y=x3-3kx2 5x-10

- Find the value of k
- Find the equation of the tangent line to the given curve at the specified point
- Find the equation of the tangent line to the curve at the given point
- Find and . for which values of is the curve concave upward
- Find the equation of the line tangent to the graph of f at the indicated value of x