MAT 113: FINAL EQUATIONS
15 Cards in this Set
Front | Back |
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absolute change
|
newer function value- older function value
|
relative change (percent change)
|
newer function value-older function value/older function value x 100
|
average growth rate
|
newer function value-older function value/newer independent value-older independent value
|
interpolation
|
first value+ average growth rate value x number of years
|
extrapolation
|
ending value+ average growth rate value x years
|
inflation (number not percent)
|
new$= (old$)(1+r)
|
linear function
|
(y2-y1)/(x2-x1)=slope, then solve for b
|
exponential function
|
y=mx+b
|
magnitude of earthquake
|
log(relative intensity)
|
relative intensity of an earthquake
|
10^(magnitude)
|
decibels of sound
|
10 log (relative intensity)
|
relative intensity of sound
|
10^(.1xdecibles)
|
volume of a cylinder
|
V = πr2h
|
Margin of error
|
100/square root of sample size
|
Z score
|
Number-mean/standard deviation=answer - 100
|