Which set expresses the solution to the compound

inequality -2≤ 2x+1/3- 4<1?
(1 point)
{х :3 ≤×<7}
{х :-3/2 ≤ × <1}
{x :5/2 ≤ x < 7}
{x :5/2 ≤ x < 1}

1 answer

To solve the compound inequality \(-2 \leq 2x + \frac{1}{3} - 4 < 1\), we can break it into two separate inequalities:

  1. \(-2 \leq 2x + \frac{1}{3} - 4\)
  2. \(2x + \frac{1}{3} - 4 < 1\)

Let's solve each part step by step.

Part 1:

\[ -2 \leq 2x + \frac{1}{3} - 4 \] First, simplify the expression: \[ -2 \leq 2x - \frac{11}{3} \] Now, add \(\frac{11}{3}\) to both sides: \[ -2 + \frac{11}{3} \leq 2x \] To combine \(-2\) and \(\frac{11}{3}\), convert \(-2\) to a fraction: \[ -2 = -\frac{6}{3} \] Thus, \[ -\frac{6}{3} + \frac{11}{3} \leq 2x \] \[ \frac{5}{3} \leq 2x \] Now, divide by 2: \[ \frac{5}{6} \leq x \]

Part 2:

Now let's solve the second part: \[ 2x + \frac{1}{3} - 4 < 1 \] Again, simplify: \[ 2x - \frac{11}{3} < 1 \] Add \(\frac{11}{3}\) to both sides: \[ 2x < 1 + \frac{11}{3} \] Convert \(1\) as a fraction: \[ 1 = \frac{3}{3} \] Thus, \[ 2x < \frac{3}{3} + \frac{11}{3} = \frac{14}{3} \] Now, divide by 2: \[ x < \frac{7}{3} \]

Combine the Results:

From the two parts, we gather: \[ \frac{5}{6} \leq x < \frac{7}{3} \]

Convert to Decimal for Clarity:

  • \(\frac{5}{6} \approx 0.833\)
  • \(\frac{7}{3} \approx 2.333\)

Set Representation:

To express this in set notation, we have: \[ \left{ x : \frac{5}{6} \leq x < \frac{7}{3} \right} \]

Now we verify against the answer options:

  1. \({x : 3 \leq x < 7}\)
  2. \({x : -\frac{3}{2} \leq x < 1}\)
  3. \({x : \frac{5}{2} \leq x < 7}\)
  4. \({x : \frac{5}{2} \leq x < 1}\)

None of the provided options completely fit \(\frac{5}{6} \leq x < \frac{7}{3}\). But we further check if any approximate ranges exist:

Correct Answer: Since the ranges aren't perfectly matching, it sounds like there might be a change in how we selected components from the list. None of the options given seem perfect, but since we have \(\frac{5}{6} \leq x < \frac{7}{3}\), which is closest to the option mean by 1, let's reconsider the final check or confirm restructurizing further.

If we rethink provided options:

The combined compound answer solution is nearest approachable marked statement of the listed options above as \(2.333x < 0\) still needs simplification contradicting \({x : -\frac{3}{2} \leq \text{ returns values under 1}}\) so mingled checks overlap notably rather than perfection indeterminant in set notation.

Preferably none merge yet furbish structured recommendations analysis maintains readability of x.