I need help in this question

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

Which of the choices shown could be used to prove that aacp=abcp ?

What is the inverse of the function f(x) = 2x + 1?