Which option below correctly describes the domain of b(x)= 181- x and explains why the range of bis not all real
numbers?
the domain is all real numbers less than or equal to 81.
the range is not all real numbers because the square root of a negative number is not a real number.
the domain is all real numbers less than or equal to 81.
the range is not all real numbers because the square root symbol applied to a non-negative number is non-negative.
the domain is all real numbers greater than or equal to 81.
the range is not all real numbers because the square root of a negative number is not a real number.
the domain is all real numbers greater than or equal to 81.
the range is not all real numbers because the square root symbol applied to a non-negative number is non-negative.