3-22 – 47 – 3 dr 2(r² +s + 1)

(4r – 6x + 3) + (2.x² + x – 8)

4n + 3 . (2x + 4)´ 12 5. What is the simplified form of -? 8n+11 2n +3 3 9 • (x + 2)³ -8 A) 4 1 C) 2"+1 1 B) 2" 1 D) 2"-1

(6 + x + Zx8) + (2 - xg +zZXG) x

Expand and simplify 2x – 3x(4x – 2)+5(3x² – 6x +1)

12. (2a² – 3a) + (5b – b²)+ (2a – 8b) 14. (3x – 2)-(5x-4)+(19+2x) 16. (6m² +7)-(-2m²)+(2m – 3)

The regions bounded by the graphs of y = 6x and y = 5x² regions? A B [² (6z — (52²³ - 2³)) dz So - [² (6 x − (5x² − x³)) dr + - 3 S y ((5x² – x³) – 6x) dx 15+ 10+ 5+ O + 2 3 X x³ are shaded in the figure above. The graphs intersect at x = 0, x = 2, and x = 3. Which of the following gives the sum of the areas of the shaded

2) Show that a3 + b³ = (a + b)(a² – ab + b²) is a polynomial identity. %3D |

(x + 2)² x² – 3x + 2 x² + 5x + 6 x² + x – 1 x² – 1 x² – 4

11. (14x– 13) (4x + 13) (6x + 2) O Gina Wilson (All Things Algebra), 2014 Dw.