If –1 is a root of f(x), which of the following must be true? a factor of f(x) is (x – 1). a factor of f(x) is (x + 1). both (x – 1) and (x + 1) are factors of f(x). neither (x – 1) nor (x + 1) is a factor of f(x).

On this question. a hypothermia occurs when a person's body temperature drops below 95 degrees fahrenheit. write and solve an inequality that describes how much lower the body temperature of a person with hypothermia will be than the body temperature of a person with a normal temperature of 98.6 degrees fahrenheit