Given u(x) = sqrt(4x - 1) and v(x) = x - 5 what is the domain of u(v(x))?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2