What are the possible numbers of positive, negative, and complex zeros of f(x) = −x6 + x5 − x4 + 4x3 − 12x2 + 12?

Aphrase is shown read the phrase and give me the answer

Aschool allots ? 1500 to spend on a trip to the theatre. theatre tickets have a regular cost of ? 55 each and are on offer for 1 5 off. a train ticket for the day will cost ? 12 each. if 2 teachers and the maximum number of students attend, how much money will the school have left over?

Which of the following graphs could represent a cubic function?