The complete set of values of \( a \) for which the inequality \( (a-1) x^{2}-(a+1) x+(a-1) \geq...

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The complete set of values of \( a \) for which the inequality \( (a-1) x^{2}-(a+1) x+(a-1) \geq 0 \) is true for all \( x \geq 2 \).
(a) \( \left(\frac{3}{7}, 1\right] \)
(b) \( (-\infty, 1) \)
(c) \( \left(-\infty, \frac{7}{3}\right] \)
(d) \( \left[\frac{7}{3}, \infty\right) \)
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