Transformations l1–l8 refer to the transformations from the opening exercise. for each of the following pairs of
matrices a and b below, compare the transformations la ∘ lb and lb ∘ la.
a. l4 and l5
b. l2 and l5
c. l3 and l7
d. l3 and l6
e. l7 and l1
f. what can you conclude about the order in which you compose two linear transformations?