Marisa needs 1.4 hours to comeplete 7 homework problems. how long does each problem take? a: 0.1 hours b: 0.2 hours c: 0.7 hours or d: 1 hour?

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