Chris works as a waiter. He earns $110 each weekend plus 18% in tips on meals served. Last weekend, Chris served $926 worth of meals. How much did Chris earn last weekend?

answer: 4  

the square root of 16 is 4. it is a very simple mathematic concept. a square root when a number multiplied by itself will result in a number. here, the number 16 comes when 4 is multiplied by 4. hence the square root of 16 is 4. you can always figure out a square root by the inverse operation of squaring.  

the graph g(x) is f(x) translated 7 units in the negative y direction and translated 2 units in the negative x direction