In each case, illustrate the effect of the linear transformation on the unit Question 4.square in R? by a sketch similar to those in tables 7–10, Section 4.9. T \text { has standard ma rix }\left[\begin{array}{rr} -2 & -1 \\ 1 & 3 \end{array}\right] (b) T is a shear in the x direction by a factor of 2 followed by reflection through the line y = x .

Fig: 1

Fig: 2

Fig: 3