Math Questions - College Level

Please answer the questions below. If the answer is correct, there willb emore coming. The assignment must be completed tonight.

The sets F and H are defined as follows.

F = {z|z<4}

H= {z|z≥9}

What is the answer to the interval notations below?

F ∩ H =

F υ H =

a)    (□,□)

b)    [□,□)

c)     [□,□]

d)    Ø

e)     □ u □

f)      ∞

g)    -∞