Sketch the graph of the given function.
Sketch the graphs of the function x2- 2x -3 . Identify the vertex and the line of symmetry
Find the height of the cliff from the word problem.
A rock climber wants to find the height, AC, of an inaccessible vertical cliff, located on the side of a river. From the opposite bank he measures the distance and angles shown in the diagram. ΔABC is in the vertical plane. ΔBCD is in the horizontal plane. Use this information to determine the height of the cliff, correct to the nearest meter.