medium · GMAT Quant
A renewable energy plant monitors power output efficiency e. Operational guidelines demand that e meets the criteria 4(1 - e) ≥ -12 and dfrac2e + 35 < 3.
What is the range of all valid efficiency values e?
- e ≤ 4
- e < 6
- 4 ≤ e < 6
- e ≥ 4
- e ≤ 6
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