In Exercises 25-28, determine if the specified linear transformation is (a) one-to-one and (b) onto. Justify each answer.
28. The transformation in Exercise 14
14. Let T : ℝ2 → ℝ2 be a linear transformation with standard matrix A = [a1 a2], where a1 and a2 are shown in the figure. Using the figure, draw the image of
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