10. A bridge is to be built across a small lake from a gazebo to a dock. The bearing from the gazebo to the dock is S41W . From a tree 100 meters from the gazebo, the bearings to the gazebo and the dock are 574 E and S28 E
respectively. Find the distance from the gazebo to the dock.

Where are the functions?

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.