SOLUTION: the range of the function y= -2sec(1/2x) is?

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Question 924264: the range of the function y= -2sec(1/2x) is?
Answer by Edwin McCravy(20059) About Me  (Show Source):
You can put this solution on YOUR website!
Regardless of q,

abs%28sec%28theta%29%29+%3E=+1

So

abs%28-2sec%28theta%29%29+%3E=+2

and so

abs%28-2sec%28expr%281%2F2%29%2Ax%29%29+%3E=+2

and since expr%281%2F2%29x takes on every real number,

the range of y=-2sec%28expr%281%2F2%29x%29

is 

Edwin