# Zack

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# 37 Posts

 2d asked Derive a formula for the volume of the wedge in terms of the constants a, b, c. Dec7 asked Maximum area of a isosceles triangle in a circle with a radius r Dec6 asked The minimum value of $\frac{a(x+a)^2}{\sqrt{x^2-a^2}}$ Dec6 asked Maximize area of a corral Nov1 asked $a^4+b^2+c^2=2014$ Oct11 answered Graph single equation on calculator Sep15 asked $\displaystyle \frac{d}{dx}2^x$ where $x=0$ Sep12 asked Prove rigorously: $\displaystyle \lim_{x\rightarrow 2}x^2+5x=14$ Sep11 asked Derivative at 4, when $f(x)=\frac{1}{\sqrt{2x+1}}$ Sep10 asked Graph single equation on calculator Sep8 asked $\displaystyle \lim_{x\rightarrow 5}x^2=25$ Aug28 asked Evaluate the limit, if it exists Aug23 asked verify $\lim_{x\rightarrow0}(4x^2+2x+5)=5$ Aug18 asked Suppose that $|x-4|\leq1$ Aug17 asked Find all values $c$ such that $(x+1)/(x^2+2cx+4)$ has domain R Aug13 asked Find domain and range of $(f \circ g)$ for $f(x)=\ln x$ and $g(x)=x^2−1$ Jul21 asked Websites for math tests/quizzes Jul20 asked $\ \sqrt{x+39}-\sqrt{x+7}=4$ Mar4 asked Speed of a bicycle wheel Nov24 asked Evaluate $\tan\left(2\sin^{-1}\frac{\sqrt{5}}{5}\right)$ without using a calculator