A wire extends from the top of an 8-meter telephone pole to a stake in the ground 3 meters
away. How long is the wire? If necessary, round to the nearest tenth.

8.5

Step-by-step explanation:

Use the pythagorean theorem:

8^2

answer: evaluate the objective function at each vertex to determine which - and -values, if any, maximize or minimize the function. example: find the minimum value and maximum value of the objective function f ( x , y ) = 4 x + 5 y , subject to the following constraints