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well if you divide a degree 2 by a a degree 1 function, looks like you will get a degree 2-1 function, a line
factor the polynomial, an you see the denominator is then gone but you have to keep track that that can not be 0, or x cant equal -4
would y be -1 or -9 ? @danjs
You will get after factorization (x+5)(x+4)/(x+4) =(x+5) So you get y=x+5 Can you plot it
ok, but would my coordinates be (4,-9) or (4,-1)
(4,9) Plug x=4 Then y=x+6=4+5=9 So (4,9)
That was 5 not 6
thats not one of the choices though there has to be a negative in there
Can you show me the choices
Are you there
@triciaal so would x be 4??
would y be -1 or -9? it has to be one of the two:-) @triciaal
I just need confirmation on the coordinats
It can't be one of them
Would be better if show the choices
well the choices are graphs but the coordinate choices are as follows: (-4,1),(4,-1),(-4,9), and (4,-9) @Pawanyadav
the point coordinates of course
Can't be anyone of following choice Should be (4,9) As y=x+5
the question says: what is the graph of the function: x^2+9x+20/x+4
@Pawanyadav please help
After solving it we get. y=x+5 .right?
ys, i think
So it is a linear equation so It's graph represents a straight line
Than what's the problem
well the answer you gave me isn't a choice
The choices are not correct, simple
well if you had to pick on ewhihch would it be because i have to pick out of these answers unfortunatley
i really need help picking one, I'm not sure either
What will happen if you don't pick anyone
i will get it marked wrong which i don't want
Pick anyone of them will also marked wrong
If it's compulsory than pick A
the point at -4,1?
ok, thanks! @DanJS what do you think?
just got to the bottom here
well the choices are graphs but the coordinate choices are as follows: (-4,1),(4,-1),(-4,9), and (4,-9 it is the one where the y coord is the x-coord plus 5, [y=x+5] 1 = -4 + 5 , that point is on the graph
so which coordinate would it be ? please I've been working on this problem for os long
and there is a hole discontinuity at x=-4
which coordinate for the point on the graph would it be again? please:-) @DanJS
so it would be C or D?
Can I go now
hello ? @DanJS
i need to o now f you could tell me the answer that would be amazing I'm sorry i need to go but really need help please
i really need the answer :-) but i need to go please help
man sorry i had to run out , this thing is simplified to y = x + 5, of those 4 points (x,y) that are given , (-4 , 1) works x = -4 is still a solution because it checks out to work in the simplified function y = x + 5
in the original , if x=-4 , you get 0's places
look at "extraneous solutions for rational functions '
@DanJS so, it would be A: (-4,1)?
another approach or to justify what I think: f(-4) you would be dividing by zero f(4) = 4^2 + 9*4 = 20 divided by 4 + 4 = 16 +36 + 20 over 8 = 72/8 = 9 hence (4, 9)