Katalina's Going to College Katalina is planning to attend a local community college as a
full-time student before transferring to a four-year university.
The cost of her tuition (excluding other fees and expenses)
can be determined using the equation f(x) = 215x, where x
is the number of credit hours she registers for.
(c) In order to be considered a full-time student, Katalina must register for at least 12 credit hours but no more
than 21 credit hours. Explain how Katalina can determine the cost of registering as a full-time student.