This is mathematics course and advanced function unit. I need help with those questions.

5. A family of polynomials has equation y = k(x - 3)(x + 2)'. What is the value of k for the family member represented by this graph? 128 96 64 32 -4 -2 0 4 X -32 -64 a. k = 48 c. k = 2 b. k = -48 d. k = -2 6. How many cubic functions have zeros -10, -5, and 4? a. 1 c. 3 b. 2 d. infinitely many 7. What is an equation for the family of cubic functions with zeros - 8, 3, and 3? a. y = (x + 8)(x - 3)(4x - 3) c. y = (x+ 8)(x - 3)(3x -4) b. y = (x + 8)(x- 3)(3x - 4) d. y = k(x + 8)(x - 3)(4x - 3) 8. Which statement corresponds to the values of x shown on the following number line? -5 -4 -3 a. -4 5x 2 b. -4 2 9. Which of the following number lines depicts the solution to 3x(x2 -4) + 2x > 3x3 + 5(x + 1)? a. b. C. d.1. A family of quadratic functions has zeros -3 and 5. Which of the following is a member of this family? ay = -4 (x+3)(x - 5) c. >=4(x+ 3)(x- 5)(x+ 15) b. y = 2(x + 3)? (x - 5) d.y = (x+5)(x- 3) 2. Which of the following represents a family of cubic polynomials with zeros -4, 2, and 6? a. y = (x+4)(x - 2)(x - 6) c. y = k(x+4)(x -2)(x- 6) b. y = (x-4)(x + 2)(x + 6) d. y = k(x-4)(x+ 2)(x+6) 3. Examine the graphs of the following polynomial functions. Which graph does not belong to the same family? a. 2 0 2 4 - 2 b d. -4 -2 0 4. What is an equation for the cubic function represented by this graph? -4 -2 0 4 x -2 a. y = 3(x- 1)' (x + 1)c. y= -3(x - 1)'(x + 1) by = 3(x + 1)*(x- 1)d.y= -3(x + 1)3(x- 1)