Math 1310
Homework 10
Page 1 of 2
Math 1310 – College Algebra
Textbook Section 3.3
Homework 10
Record your answers to these questions by going to the EMCF link on the top menu bar
in your CASA account and selecting “Homework 10” on the EMCF assignment menu.
Record your answers in the multiple choice form for Homework 10 BEFORE the
assignment is closed. No late homework is accepted.
1. Y is directly proportional to the square of d and inversely proportional to the cube root
of S. Let k be the constant of proportionality. Which of the following equations correctly
expresses this relationship?
A.
kd
Y
S
=
B.
3
k
d
Y
S
=
C.
2
3
kd
Y
S
=
D.
2 3
Y
kd
S
=
Use the following information for questions 24.
A company’s weekly revenue is directly proportional to the amount spent on advertising
that week. Let R be the company’s weekly revenue in dollars, and let A be the dollars
spent on advertising for the week.
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 Summer '08
 MARKS
 Algebra, Mass, $6, B., Mathematical constant, $30, Weekly Revenue

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