Question

please help....easy, i know. but im confused !
A function is created to represent the miles per gallon your car gets. What restrictions would be made to the domain?

The domain would only include integers.
The domain would only include positive integers.
The domain would include all real numbers.
The domain would only include positive numbers.

Answer 1

you cant have negative amounts of gasoline, so only positive numbers?

Answer 2

@imqwerty

Answer 3

@Hero

Answer 4

.-.

Answer 5

@Nnesha please help me understand this?

Answer 6

ugh

Answer 7

Can I help you? are you online?

Answer 8

i am ~

Answer 9

So lets do process of elimination: Are you guaranteed to get and even number such as 4 or 5 or are you more likely to get a number like 8.6 or 9.4

Answer 10

more like a decimal

Answer 11

exactly! so you are not guaranteed only integers, so cross out any with only integers

Answer 12

so only positive integers ?

Answer 13

Cross out a and b because those state that you would only have integers in that domain

Answer 14

duh its restriction lol my bad

Answer 15

Ok next, What are real numbers? Can you explain

Answer 16

real numbers are all rational numbers

Answer 17

Exactly. now it says all real numbers. Would you be able to have -16.3m/g?

Answer 18

@kaylaprincess are you there?

Answer 19

yes

Answer 20

^

Answer 21

Sorry my computer had to update

Answer 22

So can you answer my last question

Answer 23

i did, yes we would be able to. and no worries.

Answer 24

no we wouldn't

Answer 25

you said it yourself, no negative numbers