Choose the correct description of the number set.(4 points)
(-⅚ , ⅞ , π/2 )
the set of the description of the numbers!
rational numbers only
irrational numbers only
both rational and irrational numbers
(-⅚ , ⅞ , π/2 )
the set of the description of the numbers!
rational numbers only
irrational numbers only
both rational and irrational numbers