Math 121 Final Exam Practice
Trigsted, Chapters R2 5.4
Name _ Instructor name or section # _
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Given (all these will be used sometime during the semester, generally in this order)
Lines: Standard form: ax +
Math 121 Exam 2 Practice
Trigsted, Chapters 2.1 3.5
Name _ Instructor name or section # _
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total
100
Given (all these will be used sometime during the semester, generally in this order)
Lines: Standard form: ax
121 Final Review1
NAME_
1. Solve by the method of your choice. Be sure to note any restrictions on the variable.
1
5
6
= 2
x 4 x + 2 x 2x 8
a)
2. Find the inverse.
c)
6
2
3
=
x x x x 1
2
1
f ( x) = 4( x 3) and show they are inverses by showing that f ( f
Math 121 Exam 1 Practice
Trigsted, Chapters 1.1 1.8
Name _ Instructor name or section # _
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total
Given on the applicable exams
Lines: point-slope form: y y1 = m( x x1 ) , slope-intercept: y = mx + b
MA121 Final Review2
NAME_
1. Find the x and y-intercepts as well as equations for the vertical asymptotes:
a) f ( x ) =
x+3
x3
b) g ( x ) =
x2 4
x+4
c) f ( x) =
( x + 2)
3x 2 + 1
d) g ( x ) =
3x 6
x
2. For the following piecewise defined function, find f
M121 Practice Exam 3
Trigsted, Chapters 3.6 5.2
Name _ Instructor name or section # _
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Given (all these will be used sometime during the semester, generally in this order)
Lines: Standard form: ax + by
M121 Exam 3 Review, Chapters 3.6- 5.2
Name_
2
1. Given f ( x ) = x 8 x , find the vertex, axis of symmetry, and x/y intercepts.
2. (8 pts) Given f ( x) =
x+2
find the inverse f
x
1
( x) Verify the inverse using composition cancellation.
3. (16 pts) Given
M121 Exam 2 Review
Chap 2.1 3.5
2
Name_
2
1. Given the equation of a circle: ( x + 2) + ( y 1) 4 = 0
a) Find the center and radius
Center _
radius _
b) Find the x-intercepts: _ _
Find the y-intercepts: _
2. Write this equation of a circle in standard form
M121 Exam 1 Review Trigsted: Chapters 1.1 1.8
1.
Name_
1+ x2
_ 1
a) Insert (<, =, >) for positive x,
6 4 _ 1(6 4)
x2
x( y z )
= x _ 4 16 = 2 _ if x 2 = 4 then x = 2 _
b) True or False:
( z y)
2. Factor completely.
(a) x 3 + 5 x 2 9 x 45
(b) 3 x 3 12 x
3