اتمنى المساعدة عندي سؤالين مافهمتهم ابيهم بالشرح علشان افهم
4. Show that the function f (x) = x 3 from the set of real numbers to itself, is invertible and find its inverse.
7. Find the greatest common divisor of 412 and 812 using the Euclidean algorithm
jlc.