Logarithmic Functions

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8 Terms

1
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Exponential function formula

Y= ab^t

a=initial value

b=growth factor

2
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When b is greater than 1, we have

exponential growth

3
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When b is less than 0, we have

exponential decay

4
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growth factor equation

b=1+r

r=decimal representation of the percent rate of change

b=growth factor

5
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Linear Function Graph

Increases at constant rate

Ex Eq) f(x)=3x+5

<p>Increases at constant rate</p><p>Ex Eq) f(x)=3x+5</p>
6
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Cubic Function Graph

increases at a decreasing rate until graph reaches origin; then increases at an increasing rate

Ex) Eq: f(x)=x³

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Exponential Function

increases (exponentially) at a percent rate (multiply)

Ex: Eq) f(x)=2^x

8
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When F(x)=b^x, and b is greater than 1 the graph i