In general, f-1(f(x)) = f(f-1(x))

What is the frequency of the sinusoidal graph?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)

"which statement is necessarily true if bd is an altitude to the hypotenuse of right ? abc? a.) ? adb? ? bdc b.) ? adb~? bdc c.) abbc=acbd d.) ? bac? ? bdc"