How to understand what vectors are, and how they can be represented geometrically.
How we define optimization problems, and what it means to solve them.
How to determine whether two matrices can be multiplied, and if so, what the dimensions of the product will be.
How to graph y = f(x ? h) when f(x) = sqrt(x), and what kind of transformation to expect.
How determine what transformation the graph y = f(bx) represents when b > 1.