For what.. could you finish the question ?
To find the domain of a graph observe the intervals of x that the line touches, and make an inequality of it. Same for the range but it's for the intervals of y. If the graph goes forever, then include "infinity" on the inequality
Answer:
x is 90° I hope it will help you please follow me
The square root of 5+1/5 (5.2, 5 1/5) is rational as it has an end you can clearly see. The square root of 5.2 is 2.28035085 exactly.