Section 1.2 Inequalities and Absolute Values”15
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52, Exr+4和1<5[2x+81<e
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5$4. |Ix 一2|1 ~二|4x 一81<e
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56. |十5 < 5人久|5r + 25| <e
57. On a lathe, you are to turn out a disk (thin right circular
cylinder) of circumference 10 inches.This is done by continually
measuring the diameter as you make the disk smaller. How
closely must you measure the diameter if you can tolerate an
error of at most 0.02 inch in the circumference?
5$8。Fahrenheit temperatures and Celsius temperatures are
Telated by the formula C == (所 一 32). An experiment requires