Mister Exam

2^k inequation

A inequation with variable

The solution

You have entered [src]
 k    
2  > 0
$$2^{k} > 0$$
2^k > 0
Rapid solution [src]
-oo < k
$$-\infty < k$$
-oo < k
Rapid solution 2 [src]
(-oo, oo)
$$x\ in\ \left(-\infty, \infty\right)$$
x in Interval(-oo, oo)