Homework Help: Math

Posted by Anonymous on Friday, August 14, 2009 at 6:27pm.

Find the domain and range of the function:

g(x)=-2[2x]+1

What do those brackets mean? I'm pretty sure it's not a typo or anything because other functions on my work have regular parentheses instead of brackets.

Thank you!

Math - bobpursley, Friday, August 14, 2009 at 6:46pm
IT means absolute value. So the domain of x is all x, the range of the function is from 1 to negative infinity.

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