maths pre calc

Find the solution of this equation: .

a. 2 b.

c. 4 d.

What are the x-intercepts of the function f(x) = x3 + x2 – 4x – 4?

  1. (–2,0),(1,0),(2,0)
  2. (–1,0),(1,0),(2,0)
  3. (–2,0),(–1,0),(2,0)
  4. (–2,0),(–1,0),(1,0)

Use the cut-point method to find the solution set of the following inequality: (x + 2)(x – 2)(3x – 1) ≤ 0. What are the cut points?

a. 2,–2,3

 
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