The graphing utility screen shows the graph of ." - 4-t' - 8x + 7. (- 2,6, lj by(- 2.8

Chapter 3, Problem 108

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The graphing utility screen shows the graph of ." - 4-t' - 8x + 7. (- 2,6, lj by(- 2.8, tJ a. Use the graph 4x' - Sx + 7 > 0. to describe the solution set of b. Use the graph 4x' - Sx + 7 < 0. to describe the solution set of c. Use a n algebraic approach to verify each of your descriptions in parts (a) and (b).

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