Determine the domain and the range of the function. f = {(11,4),(29, -1),(36, 4),(54, 6)}
The domain is { }

Does the point (1, sqrt 7) lie on circle shown.

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.