Rational Functions and Zeros
AP Precalculus · Flashcards · Recall
AP PRECALCULUS · FLASHCARDS
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QUESTION
Which term denotes values not in the domain of a rational function?
QUESTION
What is the degree of the polynomial
p
(
x
)
=
3
x
4
−
2
x
2
+
1
p(x) = 3x^4 - 2x^2 + 1
p
(
x
)
=
3
x
4
−
2
x
2
+
1
?
QUESTION
What is a zero of a rational function?
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ANSWER
A value of
x
x
x
for which
f
(
x
)
=
0
f(x) = 0
f
(
x
)
=
0
. A zero occurs when the numerator equals zero but the denominator doesn't.
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