y = (2x + 3)(x - 1)(x - 4) The intervals obtained when the x-intercepts are used to partition the number line.
Added by Bradley S.
Step 1
To do this, we set y=0 and solve for x: 0 = (2x+3)(x-1)(x-4) This equation has three solutions: x=-3/2, x=1, and x=4. These are the x-intercepts of the function. Show more…
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