Ainequality shari needs at least 500 dollars working two jobs. one $8 per hour the other ten dollars per hour how many hours of both jobs does she need

Let f (x) = x e8x. find a formula for the nth derivative of f, where n is any positive integer. use x and n in your answer if needed. f (n)(x) =

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Aproduction manager test 10 toothbrushes and finds that their mean lifetime is 450 hours. she then design sales package of this type of toothbrush. it states that the customers can expect the toothbrush to last approximately 460 hours. this is an example of what phase of inferential statistics