Whats the square root of 54x32

Which expression is equivalent to (9x - 3 1/ + 1 3/8)

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

The step function g(x) is defined as shown.what is the range of g(x)? ***answer choices in picture.