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May
18
revised Graph this function: F(x)=$-2^{|x|+1}$.
added 1 character in body
May
17
comment Absolutet Value Inequality with cases number line
Done! Also included the number line.
May
17
revised Absolutet Value Inequality with cases number line
added 292 characters in body
May
17
reviewed Reject Proof of this inequality
May
17
comment Absolutet Value Inequality with cases number line
A number line wouldn't be much of a solution. It can only be used to represent numbers. Depending on different contexts, it's used in different ways. Here, the question might be asking you to use a number line for representing the solution of this inequality.
May
17
comment Absolutet Value Inequality with cases number line
A number? I'm not sure if I perfectly understand your query. Do you mean a number line?
May
17
answered Absolutet Value Inequality with cases number line
May
17
comment what is the solution for this equation : $2^x-6(2)^{-x}=6$
If $t$ is negative, then $2^x$ will be negative for some real $x$, which is not possible.
May
17
answered what is the solution for this equation : $2^x-6(2)^{-x}=6$
May
17
answered Graph this function: F(x)=$-2^{|x|+1}$.
Apr
22
answered How to solve this inequality?
Apr
17
comment Trigonometric substitution
Oh, x^2/2 is the angle. OK.
Apr
17
comment Trigonometric substitution
did you mean $\frac{\sin^2(x)}2 = \frac{1}{2}(1 - \cos^2(x))$
Apr
13
answered Problem : Solve $|x^2+x-4| =|x^2-4| +|x|$
Apr
10
comment Proof of a claim on a continuous function in [0,1]
Brian... ${}{}{}$
Apr
4
awarded  Popular Question
Mar
19
accepted Prove that $\rm area(\triangle ABE) = area (ABCD)$
Mar
19
asked Prove that $\rm area(\triangle ABE) = area (ABCD)$
Mar
14
awarded  Nice Answer
Mar
5
answered if x^2 + 2x - 3 >= 0 then (x <= -3) V (x >= 1)