Solve the Problem $\mathrm { a } < \mathrm { x } \leq \mathrm { b }$

Short Answer

Solve the problem.

-The three-part inequality $\mathrm { a } < \mathrm { x } \leq \mathrm { b }$ means " $\mathrm { a }$ is less than $\mathrm { x }$ and $\mathrm { x }$ is less than or equal to $\mathrm { b }$ ". Which of these inequalities has no solution?
(a) $- 5 < x \leq - 11$
(b) $- 8 < x \leq - 7$
(c) $0 < x \leq 4$
(d) $- 2 < x \leq 6$