AP Pre-Calc Unit 2.4-2.5 Review

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Determine if (X+5) is a factor

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8 Terms

1

Determine if (X+5) is a factor

Divide, if result in 0, it is a factor.

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2

x²+16 (factor)

(x+4i)(x-4i)

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3

How to find domain?

Factor denominator to find values that equal zero, exclude from domain.

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4

How to find removable discontinuities? (Holes)

Factor the function and identify common factors in the numerator and denominator.

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5

How to find infinite discontinuities? (V.A)

Identify values that make the denominator zero but not the numerator.

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6

How to find x:intercepts?

Set the numerator equal to zero and solve for x.

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7

How to find y-intercept?

Set the value of x to zero and solve for y.

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8

How to find limit as x approaches infinity?

Evaluate if even or add, and if positive or negative.

Or Graph.

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