Limited access

Upgrade to access all content for this subject

Which of the following subsets of $\mathbb{R}^2$ are relatively compact?

A

$\{(x,y):x^2+xy+y^2<1000\}$.

B

$\{(x,y):y=e^x\}$.

C

$\{(x,y):\sin(xy)-cos(x+y)=0\}$.

D

$\{(x,y): |x|+|y|^{1000}=100000\}$.

Select an assignment template