Final Flashcards

1
Q

a and b in exponential functions…

A

a cannot be 0, b cannot be 1

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2
Q

a and b in logarithmic functions…

A

a cannot be 0, b cannot be negative

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3
Q

when solving logs, remember…

A

to check for extraneous solutions!
any negatives or zero.

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4
Q

coordinates of point p

A

(cosr, sinr)

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5
Q

what does the AROC of a polar function tell us?

A

the rate at which the radius is changing per radian

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6
Q

inverse variation

A

If x is inversely proportional to y…
y=k/x
k is a constant of proportionality

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7
Q

logs are inverses if…

A

log(b)b or if
b^log(b)

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8
Q

linear model for a semi-log plot

A

given the exponential model y=ab^x, the linear model for the semi-log plot is y=logbx+loga
– the base of the logs is the base of the axis

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9
Q

to find c

A
  1. see translation from origin
    2.b(max(x value)+c)=regular max x value
    –cos: 0
    –sin: pi/2
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