Math 1090
Quiz 8
27 January, 2012
Name:
Instructions: Answer the questions below. Make sure to show all work
clearly.
This quiz has two sides.
1. (6 points) (a) Solve the following inequality.
x+
5
7
< + 2x
3
3
(b) Graph the solution on the number line below.
(c) Write your answer in interval notation.
2. (5 points) Charles Dickens is writing a novel. His publisher offers him $600 for the whole
novel, or $200 plus 1¢ for every word he writes after the first 70,000. How long must
Mr. Dickens’ novel be to make the second payment better?