Fracción equivalente a 68/82

Can anyone me with this question?

Place the indicated product in the proper location on the grid. -4x3y2(7xy4)

Draw a graph y=f(x) that matches the following characteristics. increasing on: -8< x< -4 and-1< x< 5. decreasing on : -4< x< -1. f(-8)=-5 and zeros at x=-6,-2,and 3. absolute maximum of 7 and absolute minimum of -5.