To which subset of the real number system does the number
1.5
belong?

2nd one in the first row is correct

yes   because as the functions are graphed they eventually will intersect unless otherwise

step-by-step explanation:

in mathematics, a constraint is a condition of an optimization problem that the solution must satisfy. there are several types of constraints—primarily equality constraints, inequality constraints, and integer constraints. the set of candidate solutions that satisfy all constraints is called the feasible set.

hoped i'm right lol