A. graph the function f(x) = { x^3+x^2-12x/x-3, if x does not equal 3 { 15, if x=3

b. determine f(3)

c. determine lim x-> 3^- f(x), lim x-> 3^+ f(x) , and lim x-> 3 f(x)

d. is f(x) continuous? explain

Me its important ! marge runs an ice cream parlor. her speciality is triple chocolate sundaes. she can prepare 1 sundae every 2 minutes, and she earns $1.20 for each sundae she makes . if she just makes sundaes for a single shift of at most 4 hours and at least 2 hours , which function relates her earnings to the number of minutes she works?