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# hw1-1 - the same as the equation given 38 C Plug the...

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Math 1160 – Section 1.1 Answer Key 2. Start at the origin (go left 1 unit and up 4 units) 10. D (-8, 10) 14. The point is on the line. Solve –2(1/3) + (1/3)(-1) = -1 18. m = 2/3 b = 0 22. y = 3/4x + 15 26. x-intercept = (0, 0) y-intercept = (0, 0) 32. Graph x + y = 3 Find 2 points (0,3) (3,0) 36. D, E, F Convert all equations into standard form (y = mx + b) and see which equations are
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Unformatted text preview: the same as the equation given. 38. C Plug the coordinates of the 2 points into each equation. 42a. Use 2 points to graph (0,14) (1, 15.15) 42b. In 2000, ecotourism income is \$14,000. 42c. Approximately 2005 (solve for x and convert answer to actual year) 20 = 1.15x + 14 42d. \$32,400 (solve for y and convert answer to actual dollars) y = 1.15( 16 ) + 14...
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