Determine the values of n for which f(x) = x^n has an inverse that is a function. Assume that n is a whole number.

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

What expression is equivalent to 42x-56y