A. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?