A Joshua...
Linear Equations and Inequalities
Union and intersection of intervals
F and H are sets of real numbers defined as follows.
F={z|z<=4}
H={z|z<9}
Write F∪H and F∩H using interval notation. If the set is empty, write (∅).
F∪H=[-∞, 9]
F∩H=[-∞, 4]
(◻,◻), [◻,◻], (◻,◻]
[◻,◻), (∅), ◻∪◻
∞, -∞,
0
c
M
Joshua
Linear Equations and Inequalities
Union and intersection of intervals
F and H are sets of real numbers defined as follows.
F={z|z≤4}
H={z|z<9}
Write F∪H and F∩H using interval notation. If the set is empty, write (∅).
F∪H=[-∞, 9]
F∩H=[-∞, 4]
(◻,◻), [◻,◻], (◻,◻]
[◻,◻), (∅), ◻∪◻
∞, -∞,
0
c
M