Apr 30, 2011 · I was wondering what the difference between f(x) and g(x) was. I've seen f(x) used in quadratic equations, etc and understand it as being a more efficient notation than using y. I don't …

Jun 13, 2014 · Are these valid proofs? Specifically, is the way that I introduced the integer k the right way to do that? Thanks. Let R be the relation on Z given by xRy iff x divides y. Proof (Reflexive) …

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Apr 1, 2008 · Can someone please tell me how to type the "x" ie like two c's together with one back to front in Word. Is it a special font? Thanks

Sep 22, 2016 · The words "root" and "zero" are often used interchangeably in the context of functions. However, I know a 30+ yr math teacher (who I would consider a purist in many respects) who argues …

Feb 11, 2008 · Hi there, I'm sure the answer to this is incredibly obvious, but something is slipping my mind: │x-3│= x + 2 if you move the x out of the absolute value braket, the x's cancel... so how do you …

Oct 17, 2008 · Superscript numbers or variables usually denotes an exponent. They are written on the upper right corner of a number/variable. For instance: 2 3 = 2 2 2 = 8 5 2 = 5 5 = 25 x 3 = x x x …

Oct 23, 2011 · Yes it does, you will find that if you use CAS you will have to input (cos (x))^2 instead of cos^2 (x).

Oct 17, 2009 · Using the table of values Find h'(3) if h(x)=g(f(x)) I feel so dumb right now because this problem looks super easy but I can't get the correct answer.