Find the diameter of the semicircle whose area is 1232 cm2

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function