411 REFERENCE · Wikibooks
Calculus/Precalculus/Exercises
Reference material by Wikibooks contributors. This retains its source identity and is not 411 news reporting.
Graphing linear functions Hyperbolic logarithm and angles
Algebra
Convert to interval notation
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State the following intervals using set notation
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Which one of the following is a true statement?
Hint: the true statement is often referred to as the triangle inequality. Give examples where the other two are false.
17. false
18. false
19. true
Evaluate the following expressions
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Simplify the following
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Find the roots of the following polynomials
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Factor the following expressions
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Simplify the following
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Functions
52. Let .
a. Compute , , and . , , and
b. What are the domain and range of ? Domain is ; range is
c. Does have an inverse? If so, find a formula for it. No, is not one-to-one. For example, both and result in .
53. Let , .
a. Give formulae for
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b. Compute and .
c. Do and have inverses? If so, find formulae for them.
54. Does this graph represent a function? Image:Sinx over x.svg Yes.
55. Consider the following function
a. What is the domain?
b. What is the range?
c. Where is continuous?
56. Consider the following function
a. What is the domain?
b. What is the range?
c. Where is continuous?
57. Consider the following function
a. What is the domain?
b. What is the range?
c. Where is continuous?
58. Consider the following function
a. What is the domain?
b. What is the range?
c. Where is continuous?
Graphing
59. Find the equation of the line that passes through the point (1,-1) and has slope 3.
60. Find the equation of the line that passes through the origin and the point (2,3).
Solutions
Graphing linear functions Limits