Help precalculus

Problem 1 (4 points) Give an example of a polynomial of degree 5 and having leading coefficient -3. Problem 2 (4 points) Give an example of a polynomial of degree 1 and having leading coefficient 6. Problem 3 (2 points) Give an example of a graph of a function that is smooth but not continuous ( different form the ones covered in class). 10 7 8 -J