Question

Question Below.

Answer 1

I am doing a practice quiz, and want to go over various questions to try to understand the material better.

Answer 2

These are the answer choices.

Answer 3

so Diamond how you know what is the first step ,first of all when there is or there are the unknowed terms in denominators ?

Answer 4

I do not.

Answer 5

do you know when is a fraction undefined ?

Answer 6

I do not.

Answer 7

can having a fraction denominator equal zero ?

Answer 8

no

Answer 9

no never - bc. than will be this fraction undefined

so this is the first step to made what are the restrictions for x for what the denominator result zero - ok. ?

Answer 10

okay I see

Answer 11

so what will be in this case x not can being equal how many ?

Answer 12

make x+4 = 0 so x = ?
and x-7 =0 so x = ?

and these will be the restrictions for x

Answer 13

okay

Answer 14

-4 and 7

Answer 15

yes

and now how you find this domain - do you know it ?

Answer 16

I do not

Answer 17

above with this restrictions you get the zeros of denominator yes ?
so now you need to calculi what will be the roots of numerator too

do you can ?

Answer 18

I do not know how.

Answer 19

what is the numerator of this fraction ?

Answer 20

which one?

Answer 21

or do oyu mean x(x-3)

Answer 22

yes this is the numerator

Answer 23

can you solve it now what will be the roots ?

Answer 24

just make it equal zero and solve it for x

Answer 25

x= 0,3

Answer 26

exactly - nice

Answer 27

so now you know that for x = 0 and x =3 result y = 0 yes ?

Answer 28

yes

Answer 29

you learned how you can finding the domain of a function ?

Answer 30

yes

Answer 31

so what would the answer be of the choices

Answer 32

what you marked there is right,correct sure

Answer 33

okay thank you very much

Answer 34

welcome

my pleasure and anytime than i m here online just tag me and i will try help you

bye bye