# Calculus

2 Minutes

1. What is the volume of a sphere with $r=2$?

2. Complete the square and factor $x^2+2x-4$

3. What is $\sin(-x)$ equal to?

4. Put these in ascending order of growth rate: $y=x^2, y=\ln x, y=2^x$

5. $\displaystyle\int\frac{1}{x}dx=$

6. Simplify $\sqrt{54x^2}$

7. $\displaystyle\lim_{x\to\infty}{\frac{8x^4+2x-5x^3+4}{2x^2-5x^4}}=$