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Mathematics 8 Online
OpenStudy (anonymous):

What is the undefined value of

OpenStudy (anonymous):

OpenStudy (anonymous):

I think that is 3b^2 + 12b/1

OpenStudy (anonymous):

is that a choice?

OpenStudy (anonymous):

The choices are

OpenStudy (anonymous):

You probably don't want the denominator to be zero. That dividing by zero thing is considered really bad form. That tells us b shouldn't be -4. That is the place (value of b) that the function (expression if you like) is undefined.

OpenStudy (anonymous):

4 0 –3 –4

OpenStudy (anonymous):

hmm sorry I cant help you with this one

Parth (parthkohli):

Undefined value is when denominator = 0. b + 4 = 0 b = -4 So, it's -4

OpenStudy (anonymous):

Oh ok

Parth (parthkohli):

You're welcome haha

OpenStudy (anonymous):

What is the undefined value of: 3b^2 + 13b + 4 / b + 4 Well, you can't divide by zero, so when b = zero the function is undefined (specifically the third term (4/b)).

OpenStudy (anonymous):

So its 4

Parth (parthkohli):

@Math4Life haha please check your math on that

OpenStudy (anonymous):

-4?

OpenStudy (anonymous):

hwo did you get -4? Im new to this stuff

OpenStudy (anonymous):

What added to 4=0 ?

myininaya (myininaya):

since this is just a poly/poly you set the bottom poly =0 and solve for x to find where f is undefined

OpenStudy (anonymous):

Oops my bad its -4

OpenStudy (anonymous):

easy mistake to make

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