Question 120
Suppose $\log_a (2x^2 + x - 1) \gt \log_a 2 - 1$. Then the range of $x$ is ( ).
(A) $\frac{1}{2} \lt x \lt 1$
(B) $x \gt \frac{1}{2}$ and $x \ne 1$
(C) $x \gt 1$
(A) $\frac{1}{2} \lt x \lt 1$
(B) $x \gt \frac{1}{2}$ and $x \ne 1$
(C) $x \gt 1$