Use Inequality Notation and Interval Notation to Describe the Set

Multiple Choice

Use inequality notation and interval notation to describe the set. ​
The annual rate of inflation r is expected to be at least 4% but no more than 9%.
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A) Inequality : 4% ≤ r ≤ 9% Interval : [4, 9]
B) Inequality : 4% < r ≤ 9% Interval : [4, 9]
C) Inequality : 4% < r < 9% Interval : [4, 9]
D) Inequality : 4% ≤ r < 9% Interval : [4, 9]
E) Inequality : 4% > r > 9% Interval : [4, 9]