<h3>
Answer: -1 < x < 3</h3>
Work Shown:
| x-1 | < 2
-2 < x-1 < 2 ... see note1 below
-2+1 < x-1+1 < 2+1 ... see note2
-1 < x < 3
- Note1: use the rule that |x| < k turns into -k < x < k for some positive real number k.
- Note2: Add 1 to all sides to isolate x
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Answer:
-21
Step-by-step explanation:
to solve this problem,
replaced the variable x with -2
f(-2) = 10(-2) - 1
multiply 10 and -2
-20 -1
add the value of -1 and - 20
rules of integers
-21
the answer is
f( -2) = -21
