The function f(t)=|98.6-x|, represents a persons variance from normal body temperature, where x represents a persons current body temperature in degrees fahrenheit. medical professionals says healthy individuals should have a variance of no more than 0.5 degrees fahrenheit part a : what can be said of an individual with a body temperature of 99.4 degrees fahrenheit justify your answer part b: what can be said of an individual with a body temperature of 98.4°f justify your answer part c what is a reasonable domain that would indicate the individual is not healthy?