Pre cal problem

Question

Use absolute value notation to represent the following:

 

a. All numbers x whose distance from -3 is less than 3.2

 

b. All numbers x whose distance from 2 is less than 2.7

 

c. All numbers x whose distance from -4 is greater than 3.9

 

Answer 1

a.  |x + 3| < 3.2

b.  |x - 2| < 2.7

c.  |x + 4| > 3.9