There are 129 people signed up to go whitewater ràfting . each raft hold 6 passengers

What is the vertex form of f(x) = x2 + 6x + 3

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

The domain of a function can be represented by which one of the following options? o a. a set of output values o b. a set of f(x) values o c. a set of input values o d. a set of both input and output values