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Mathematics 17 Online
OpenStudy (anonymous):

When using the 'floor and ceiling' function. How do i determine which one to use?

OpenStudy (amistre64):

the question usually asks you to use one or the other

OpenStudy (amistre64):

i tend to draw a vertical number line and if it asks for floor, i floor it; if it asks for the ceiling, a ceiling it up

OpenStudy (anonymous):

and it depends on the situation (like your Cost of Bus problem)

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