Robert has 3/4 of a candy bar like he wants to share it with himself and two friends what fraction of the candy bar will each pe
2 answers:
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Given :
A boat is being pulled into a dock with a rope attached to the boat at water level. When the boat is 12 feet from the dock, the length of the rope form the boat to the dock is 3 feet longer than twice the height of the dock above the water.
To Find :
The height of the dock.
Solution :
This will make a right angle triangle as given in link below .
Now , applying Pythagoras theorem :
Now , h = 5 or h = -9 .
Now , height cannot be negative .
So , height of the dock is 5 ft .
Hence , this is the required solution .
This is a composite. Another way to write them is f(g(x)). Take the function g(x) and stick it in for x in f(x). Like this: 
. But we aren't done cuz there's some simplifying there to do. 
and canceling out the 3's we get just a simple x as our answer. The choice is the last one above as your answer.