MATH 110 BUSINESS CALCULUS
CHAPTER 1 FUNCTIONS AND LINEAR MODELS
Section 1.3 Linear Functions
A
linear function
is a function that can be written in the
form
( )
f x
mx
b
=
+
(Function form)
where m is the slope and b is the y-intercept.
Example:
( )
3
1
f x
x
=
−
Slope:
3
m
=
Y-intercept:
1
b
=

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