1 : use the Second Derivative Test to find all relative extrema for off f (x ) = set - 4 x 3. 2 ) : Solve for de,y's orfile ) 2 ) =x Cos ( sin ( set y ) ) = Y b) : - f (x ) = Sin (arcsecx) ( ) : x 3): The product of two positive numbers is 365. Minimize the sum of the first number and three times the Second number. 4 1 : For flee ) = (1-2x) set up an appropriate table and find all intervals of Concavity and points of inflection