|x| | 2|x| +1 | |||
A. −3≤ | ≤3 B. −3≤ | ≤3 | ||
x−4 | x |
x | ||
−3 ≤ | ≤ 3, x≠4. | |
x−4 |
x−4+4 | ||
−3 ≤ | ≤ 3 | |
x−4 |
4 | ||
−3 ≤1 + | ≤ 3 | |
x−4 |
4 | ||
−4 ≤ | ≤ 2 | |
x−4 |
1 | 1 | |||
−1 ≤ | ≤ | |||
x−4 | 2 |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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