22
Exponential Functions
Function type
Example
linear
f(x) = 3x + 2
quadratic
f(x) = 3x
2
+ 2x  3
polynomial
f(x) = 2x
4
+ 3x
2
exponential
f(x) = 2
x
f(x) = 2.6
3x1
Graph:
f(x) = 2
x
2 is the
base
of the exponential – “exponential
base 2”
the base can be any positive number
common bases are 2 (for computer nerds),
10, and
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 Spring '11
 Staff
 Exponential Function, Exponential Functions

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