Convert to interval notation[edit | edit source]
State the following intervals using set notation[edit | edit source]
Which one of the following is a true statement?[edit | edit source]
Hint: the true statement is often referred to as the triangle inequality. Give examples where the other two are false.
17.

18.

19.

Evaluate the following expressions[edit | edit source]
Find the roots of the following polynomials[edit | edit source]
Factor the following expressions[edit | edit source]
52. Let
.
53. Let
,
.
- a. Give formulae for
b. Compute

and

.


c. Do

and

have inverses? If so, find formulae for them.


54. Does this graph represent a function?

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?


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