Use interval notation to represent the domain and range of the following functions. hint: start by thinking about the meaning of each function's input and output quantities and the values those quantities can assume. determine the domain and range of the cos − 1 function. domain: range: determine the domain and range of the sin − 1 function. domain: range: determine the domain and range of the tan − 1 function. domain: range:

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.