If the sign of the first derivative of a function f′(x) > 0 for all x in an interval, then what can be concluded about the nature of the function f?

What is the value of the definite integral 10∫ x dx?

The value of the double integral ∫12 ∫0y/2 y dx dy is:

If f(x) = x3 - 6x2 + 9x + 1, then the local maximum and local minimum values of f(x) are, respectively: