PLEASE HELP (-1,1)

(0,-1)

(5,-11)

(10,-21)

What is the domain of the set of ordered pairs above?

A.

{1, -1, -11, -21}

B.

{-1, 1}

C.

{-1, 0, 5, 10}

D.

{-1, 10}

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

The border line of the linear inequality 4x + 7y < 5 is dotted true or false?

What expression is equivalent to log3(x+4)