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avatar+189 

 

Which graph represents the function on the interval 

 Jan 26, 2019
 #1
avatar+99736 
+2

This is somewhat confusing.....I have to think about what I'm doing!!

 

The function is  called the "ceiling function"....meaning the least integer  greater than or equal to x

 

The easiest way to see this is to plot some values

 

x           ceiling x                ceiling x   - 3

-3            -3                           -6 

-2.5         -2                           -5

-2            -2                           -5

-1.5        -1                            -4

-1           -1                            -4

-0.5         0                            -3 

0             0                            -3   

0.5          1                            -2     

 

Note the the graph at the top left seems to be the correct one....     

 

 

cool cool cool    

 Jan 26, 2019
 #2
avatar+189 
+1

thank you

skye25  Jan 26, 2019

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