a. Find .

Reflection in the of symmetry vertex is .

Consider the scale factors is .

Multiply the vertex matrix is

.

Reflection in the line vertex matrix is .

b.

Counter clock wise rotation of about origin vertex matrix is .

It is rotate clock wise of about origin is .

Hence, rotation of about origin vertex matrix is .

a.Reflection in the line vertex matrix is .

b.Rotation of about origin clock wise vertex matrix is .