5. Flnd the LCM of 15x y and 3r²y. O 18r*y O 30x?y? O 152 y? O 45a*y

3 Q 4. Differentiate Vx2 Vx2 2 +

(1_9ry) dy dr 1) -2 Jo

8. The graph off (x) is shown below in the XV-plane, Selected values of a linear function, g(x), are shown in the table. g(x) -10 60 -9 30 14 -3 4-3 12 .3. 4. 5 6. 7 -1 -30 20 22 1. -60 -90 26 3. -120 For each comparison below, fill in the blank with less than, greater than or equal to to correctly indicate the relationship between the first and second quantity. a) The x-coordinate of the x-intercept of g(x) is intercept of f (x). the y-coordinate of the y- b) The relative minimum of f(x) is g(22). c) The number of zeros of f(x) is _g(26). 9. Solve by taking square roots. 3x2 +7 = 19 (ol booto .x-(4 10. Solve by completing the square. Imol bbns 0+0) x2 - 8x + 7 = 0 bi)