Mathematics: Find any points of discontinuity for the rational function. what are the points of discontinuity? are they all removable? y = (x-7)(x-3) / x^2-10x+21 a. x = 1, x = –8, x = –2; yes b. x = 7, x = 3; yes c. x = –7, x = –3; no d. x = –1, x = 8, x = 2; no

Find any points of discontinuity for the rational

Ответ:

MysteryDove12

31.12.2021

Factor
$\frac{(x-7)(x-3)}{(x-7)(x-3)} =1$
it simplifies to y=1
(x-7)(x-3)
they are undefined since they make the denomenator 0
solve
(x-7)(x-3)=0
x-7=0
x=7
x-3=0
x=3
restricted values are x=3 and x=7
but, the points x=3 and x=7 are holes since they were canceled out

answer is B

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Ответ:

mikeymanfs

16.12.2020

Mathematics

9x²-46x+110 w/ a remainder of -318

Step-by-step explanation:

hope this helps!

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Find any points of discontinuity for the rational function. what are the points of discontinuity? are they all removable?
y = (x-7)(x-3) / x^2-10x+21
a. x = 1, x = –8, x = –2; yes
b. x = 7, x = 3; yes
c. x = –7, x = –3; no
d. x = –1, x = 8, x = 2; no

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