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danmelcul
danmelcul, Professor
Category: Homework
Satisfied Customers: 912
Experience:  PhD in Mathematics, 7 years teaching at high school level, 10 years teaching college courses,
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The sets and are defined as follows. B {y|y _ 1 } C {y|y

Customer Question

The sets and are defined as follows.
F ={z|z> 2 }
H ={z | z <_ 7 }
if the set is empty write null(o)

Write and using interval notation.

F U H = ?

F n H= ?
Submitted: 4 years ago.
Category: Homework
Expert:  danmelcul replied 4 years ago.

Just a clarification; in set B is y less or equal than 1?
In set C is y strictly greater than 8?

If yes the answer are below

BUC = (-infinity, 1] U (8, infinity)

BnC = empty set (the crossed zero)

Please clarify if necessary
Customer: replied 4 years ago.
no i edited the question
Expert:  danmelcul replied 4 years ago.
The sets and are defined as follows.
F ={z|z> 2 }
H ={z | z <_ 7 }
if the set is empty write null(o)

Write and using interval notation.

F n H = (2, 7]

F U H= (-infinity, infinity)

Edited by danmelcul on 5/3/2010 at 3:48 AM EST
danmelcul, Professor
Category: Homework
Satisfied Customers: 912
Experience: PhD in Mathematics, 7 years teaching at high school level, 10 years teaching college courses,
danmelcul and 5 other Homework Specialists are ready to help you
Customer: replied 4 years ago.
The sets and are defined as follows. E = { y | y _> 4 } F = { y | y > 5 } write E U F and E n F using interval notation E U F =? E n F =?
Customer: replied 4 years ago.
............?
Customer: replied 4 years ago.
........................?
Expert:  danmelcul replied 4 years ago.
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danmelcul, Professor
Category: Homework
Satisfied Customers: 912
Experience: PhD in Mathematics, 7 years teaching at high school level, 10 years teaching college courses,
danmelcul and 5 other Homework Specialists are ready to help you
Customer: replied 4 years ago.
thankkkkkkk youuuuuu
Expert:  danmelcul replied 4 years ago.
you're very welcome! my apologies for the delayed reply.
Customer: replied 4 years ago.
was wondering if i could picture message you from my class..and if you would be able to reply back and we can neg. on the price through paypal to ur acc...
Expert:  danmelcul replied 4 years ago.
I am afraid I do not understand what exactly do you mean.
Can you use the internet during the class?

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