Functions, Domain, Independent/Dependent
The annual cost of health insurance H as a function of age a is given by the function H(a)=22.6a-119.2 for 15 is less than or equal to a is less than or equal to 90.
What are the independent and dependent variables?
What is the implied domain of the linear function?
What is the health insurance cost for a 30 year old?
What is the age of an individual whose health insurance premium is $1304.60?