If a function is written in slope intercept form, y=mx+b, the x represents the a. slope b. output c. input d. y intercept

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

What’s the range cuz i can’t find it?

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a