Question

dau coroană ex 7: d, e,f,g ,h​

Answer 1

d) x ≤ -8/2

x≤ -4 => x∈(-∞, -4]

e) x> -6 => x∈ (-6,+∞)

f) x≤ 2 => x∈ (-∞,2]

g) x> 0 => x∈ (0,∞)

h) x≤0 => x∈ (-∞,0]