2. Let

Which f the following matrices represents the composition T₁(T₂) with respect to the standard bases for R2 ?

A.	B.	C.
D.	E.

Solution: The answer is C.

The "composition T₁(T₂)" means that you first apply T₂ and then apply T₁ to a vector. Now, by the definitions

so

Thus the answer is C.