Derivatives of inverse functions: from table | AP Calculus AB | Khan Academy

[@ismadidi]

""Almost 25 years after I took calculus..." and Sal is 39 at this point (2016). So Sal learned this at age 14-15? :D

[@pragyas5735]

not helpful

[@domochez8803]

tweak

[@pragyas5735]

instead of it make tutorials for improving american accent😂