Exam 1 Flashcards

1
Q

When limits are at infinity and d>n what does f(x)=?

A

0

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2
Q

When limits are at infinity and d<n what does f(x) = ?

A

-infinity or infinity

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3
Q

When limits are at infinity and d=n what does f(x) =?

A

y=a/b ( coefficient of the numerator divided by the coefficient of the denominator.

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4
Q

what type of discontinuity is it if there is an empty circle?

A

Hole

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5
Q

What type of discontinuity is it if it is a filled in circle?

A

removable

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6
Q

What type of discontinuity is it if there is no hole and both sides never end?

A

Infinite

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7
Q

When is there a vertical asymptote?

A

When the denominator is zero and does not cancel out with the numerator.

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8
Q

When can you tell there is a hole from just the function?

A

When the denominator is zero but can be canceled out with the numerator.

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9
Q

When you are asked for the average rate of change what formula do you use?

A

Rise/run

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10
Q

When asked about how fast or the instantaneous rate of change what do you do?

A

Find the derivative and then sub in the numbers.

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11
Q

What is the derivative of any constant?

A

0

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12
Q

What is the power rule?

A

nx^n-1

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13
Q

what is the derivative of e^x?

A

e^x

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14
Q

What is the derivative of any exponential base function?

A

In(a)a^x

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15
Q

What’s the derivative of a natural log func? (y=in(x))

A

1/x or x^-1

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16
Q

What is the chain rule of In derivitive? (y=In(f(x))

A

y prime= The derivative of the function/ the original function.

17
Q

What is the chain rule for the exponential functions? ( e^f(x)

A

Its the derivative of whatever function e is raised to Infront of the entire original exponential function.

18
Q

Product rule
(ex. (3x+2)(5x-1)

A

Find the derivative of the first one multiplied by the second original function + the first original function multiplied by the derivative of the second one.

19
Q

quotient rule
(ex. x^5-6x/x^3=4)

A

same as the product puling except subtracting and that goes in the numerator over the orginal denominator squared

20
Q

Before finding the equation of a tangent line you have to what?

A

Find the derivative