I really need help,, i need to get this done quick !! please help !

Which is the graph of the function y=2(4)^x

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

  cassidy wants to cut the yellow fabric into strips that are 0.3 yards wide. how many strips of yellow fabric can cassidy make? yellow fabric 16 yards for $108.00.