Posted by Anonymous on Tuesday, September 8, 2009 at 2:45pm.
True or false:
a. 3x5=2x+4 if and only if 3x5=2x+4 or 3x5= (2x+4) ______
b. 2x+7=4 if and only if 2x+7=4 or 2x+7=4 ______
how do you do these and what's the answer?
thanks

pre calc  bobpursley, Tuesday, September 8, 2009 at 3:06pm
b. How can abs () ever be negative?
a. Isn't that the definition of what happens in an abs function?

pre calc  Anonymous, Tuesday, September 8, 2009 at 3:09pm
but is it true or false?

pre calc  Anonymous, Tuesday, September 8, 2009 at 3:17pm
The abs are  and the () are parantheses

pre calc  bobpursley, Tuesday, September 8, 2009 at 3:32pm
You have to do your own thinking. I gave you the answer. If something is the definition, it must be true.
Online, absolute function is written abs(xxxx) where xxxx is the argument.
Wasn't this a summer assignment, due in the upcoming week?
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