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Critical Thinking / Discussion / Writing

Getting Ready for the Next Section

133. 11
135. 2
137. $t^{2} - t + 1 = 0$ $t^{2} - t + 1 = 0$
139. $t^{2} + 4 = 0$ $t^{2} + 4 = 0$
141. $- 2$ $- 2$
143. $- 4, 1$ $- 4, 1$
145. $(- \infty, 7)$ $(- \infty, 7)$
147. $(2, \infty)$ $(2, \infty)$

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