During an experiment, readings for blood pressure in a person's body were found to be constant. However, when measured by a diff
erent blood pressure cuff, the readings differed by 15 points for each reading. This difference indicates that the results are (independent,reliable,valid) but not (dependent,reliable,valid).
1 answer:
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9514 1404 393
Answer:
x - 4
Step-by-step explanation:
The expression simplifies to ...
For x ≥ 4, the argument of the absolute value function is non-negative, so it remains unchanged. The simplified expression is ...
x - 4 . . . . for x ≥ 4
