What is the amplitude in this equation -

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3

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