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Practice Test #1
Directions:
Use this practice test as a guide for your study for Test #1. This exam is
not
comprehensive, so study your class notes and homework problems in addition to completing this
exam. Solutions are posted on the course website under “Solutions”.
1)
For the points (2, 5) and (3, 5), find the following:
a)
The slopeintercept equation of the line through the points. ____________________
b)
The pointslope equation of the line through the points: ______________________
2)
Graph the line 4x – 6y = 12 by finding the xintercept and the yintercept. Write your
intercepts as ordered pairs.
xintercept: _____________
yintercept: ______________
3)
Graph the line x = 14. What is the slope of the line? __________
5) If
5
2
)
(
x
x
f
, find the difference quotient
x
x
f
x
x
f
)
(
)
(
. Simplify your answer
completely and circle it.
6) A company manufactures 20 products and it costs them $600. When they manufacture 35
products, it costs them $750.
a)
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 Spring '10
 Staff
 Calculus, Addition

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