if a amount of money takes 6 years to double it self then how amny yrs will it take to make 5 time the money options a)12 b)13 c)24 d)13

The graph of a function f(x)=(x+2)(x-4). which describes all of the values for which the graph is negative and increasing? all real values of x where x< -2 all real values of x where -2