How many ways can 5 friends seat themselves around a round table?

What is the effect on the graph of the parent function f(x) = x when f(x) is replaced with 3f(x)? a) shifts the line 3 units up b) shifts the line 3 units down c) increases the slope of the line by a factor of 3 d) decreases the slope of the line by a factor of 3

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?