Question

Consider the two groups listed below. Which statement correctly describes the relationship of the two sets if they were mapped?

all eighth grade students
birthdays

Answer 1

The relation (students, birthdays) is a function, but the relation (birthdays, students) is not.

The relation (birthdays, students) is a function, but the relation (students, birthdays) is not.

Both relations (students, birthdays) and (birthdays, students) are functions.

Neither the relation (students, birthdays) nor the relation (birthdays, students) is a function.

Answer 2

C, because the savings account number does not depend on the interest payed to it.
in A, the interest payed does depend on the account number, in B, The interest payed does depend on the amount in the account, and in D, the account number does depend on the amount put into the account

Answer 3

Medal?!.,

Answer 4

Yes, thank you. You were very helpful!

Answer 5

I'm actually new to this, how do you give medals?

Answer 6

Click on best response and it will medal. Thanks!

Answer 7

Your welcome, do you think you could help me with another one please?

Answer 8

A newly made car will have a model number, a parts number, and a serial number. A model number is assigned by the manufacturer to identify each type of car. A parts number identifies one part of the smaller parts that make up the car. A serial number is unique to each car produced and identifies it.

Which relation is a function?
(parts number, serial number) (model number, parts number) (serial number, model number) (serial number, part number)

Answer 9

Sure..

Answer 10

Serial number, model number

Answer 11

That's the correct answer. Medal?!

Answer 12

Can you help with 2 more please?

Answer 13

Consider the two groups listed below. Which statement describes the sets?

house
complete mailing address

The relation (house, complete mailing address) is a function, but the relation (complete mailing address, house) is not. The relation (complete mailing address, house) is a function, but the relation (house, complete mailing address) is not. Both (house, complete mailing address) and (complete mailing address, house) are functions. Neither the relation (house, complete mailing address) nor the relation (complete mailing address, house) is a function.

Answer 14

Can you help with this one?