The solution set of the linear inequation $|4x-3|≤\frac{3}{4}$ is
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → $[\frac{9}{16},\frac{15}{16}]$ **
Given:
$|4x - 3| \le \frac{3}{4}$
Write as a double inequality:
$-\frac{3}{4} \le 4x - 3 \le \frac{3}{4}$
Add 3 to all sides:
$3 - \frac{3}{4} \le 4x \le 3 + \frac{3}{4}$
$\frac{12}{4} - \frac{3}{4} \le 4x \le \frac{12}{4} + \frac{3}{4}$
$\frac{9}{4} \le 4x \le \frac{15}{4}$
Divide by 4:
$\frac{9}{16} \le x \le \frac{15}{16}$
Solution set: $\left[\frac{9}{16},\ \frac{15}{16}\right]$