I got The rest correct but this One question Throws Me off So Much

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

For which pair of functions is (gof)(a)=|a|-2?