The process of generating electricity from dams and nuclear power plants is very different

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

Find the maximum value of p= 4x + 5y subject to the following constraints :

Find the solution on the interval [0, 2pi)