Question

Scrieți sub forma de interval:
a.[2,5]U{5}
b.(-3,1)U{-3,1}
c.[-2,2]-{-2,2}
d.[-4,3]intersectat cu [-2,3]
e.[-4,3]U[-2,3]
f.[-4,3]-[-2,3]


20 punctee

Answer 1

Răspuns:

a) [2,5]

b) [-3, 1]

c) [-1, 1]

d)[-2,3]

e)[-4,3]

f)[-4,-3]

Explicatie:

a) {2, 3, 4 ,5}

b) {-3, -2, -1, 0, 1}

c) {-1, 0, 1}

d) {-2, -1, 0, 1, 2, 3}

e) {-4, -3, -2, -1, 0, 1, 2, 3}

f) {-4, -3}