precalc unit 1 review

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16 Terms

1
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even function

f(-x) = f(x)

2
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odd function

f(-x) = -f(x)

3
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end behavior of a positive even function

as x reaches -infinity f(x) reaches infinity

as x reaches infinity f(x) reaches infinity

4
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end behavior of a negative even function

as x reaches -infinity f(x) reaches -infinity

as x reaches infinity f(x) reaches -infinity

5
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end behavior of a positive odd function

as x reaches -infinity f(x) reaches -infinity

as x reaches infinity f(x) reaches infinity

6
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end behavior of a negative odd function

as x reaches -infinity f(x) reaches infinity

as x reaches infinity f(x) reaches -infinity

7
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domain of a rational function

when x ≠ 0

8
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HA limit notation

lim f(x) = HA

x → ± infinity

9
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HA if numerator < denominator

HA = 0

10
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HA if numerator > denominator

no HA, long/synthetic division for slant asymptote

11
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HA if numerator = denominator

HA = leading coefficients

12
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When is there a hole in a function?

If a zero is at both numerator and denominator

13
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When is a zero in a function?

When there’s a zero in the numerator only

14
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When is there a VA in a function?

When there’s a zero in the denominator only

15
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VA limit notation

lim f(x) = ± infinity

x → VA^±

^+ = from the right

^- = from the left

16
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Limit notation for holes

lim f(x) = y-value hole is at

x → x-value hole is at^±