If (x+k) is a favor of f(x) which of the following must be true? a) f(k)=0 b) f(-k)=0 c) a root of f(x) is x=k d) a y-intercept of f(x) is x=-k

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Which of these numbers of simulations of an event would be most likely to produce results that are closest to those predicted by probability theory? 15, 20, 5, 10