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Math·Algebra·Linear inequalities in one or two variables
easyAn arborist measured and recorded the heights of red maple trees in a certain area. Of the red maple tree heights recorded in this area, the minimum was 42 feet and the maximum was 57 feet. Which inequality is true for all possible values of t, where t represents the recorded height, in feet, of a red maple tree in this area?
A
t≤42
B
t≥57
C
t≥99
D
42≤t≤57