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May 30th, 2010, 03:48 PM   #1
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Range of function


I'm about to start Trig 2 in summer school and grading through the book and one of the problems I have no idea to solve is:

The range of is What is the range of

So the Out put of Q(x) would have to be:
-2 through 12

to the out put of -Q(x) would have to be the opposite 2 through -12


Is that above the correct answer or am I thinking of this solution wrong ?

Help please
balbasur is offline  
May 30th, 2010, 04:28 PM   #2
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It's true that -Q(x) would lie between 2 and -12 inclusive,
but the way to express that is -12 ? -Q(x) ? 2.
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