The product of x and seven equals twenty-eight

15 points ! ~ see if you know the answer to both you!

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.