MATH 128 Baltimore City Community College Precalculus Quiz Questions

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Chapter 4 Review Quiz_On-line
© 1hr56mins X
Score: 0/26 0/26 answered
Done 6 Vo
Question 2
>
B0/1 pt 5 3 Details
Find a formula for the exponential function passing through
the points (-2,-) and (1,6)
2
у
=
Submit Question
© 1hr56mins X
Chapter 4 Review Quiz_On-line
Score: 0/26 0/26 answered
Done 6 Vo :
Question 3
v
< >
B0/1 pt 5 3 0 Details
A house was valued at $110,000 in the year 1989. The value
appreciated to $165,000 by the year 2004.
=
P(1 + r)t to answer
Use the compund interest formula s
the following questions.
A) What was the annual growth rate between 1989 and
2004?
Round the growth rate to 4 decimal places.
r =
B) What is the correct answer to part A written in
percentage form?
%.
r =
C) Assume that the house value continues to grow by the
same percentage. What will the value equal in the year
2009 ?
value = $
Round to the nearest thousand dollars.
Submit Question
1hr56mins X
Chapter 4 Review Quiz_On-line
Score: 0/26 0/26 answered
Done 色 10 :
Question 4
< >
B0/1 pt 5 3 0 Details
The fox population in a certain region has a continuous
growth rate of 4 percent per year. It is estimated that the
population in the year 2000 was 29100.
(a) Find a function that models the population t years after
2000 (t = 0 for 2000).
Your answer is P(t) =
=
(b) Use the function from part (a) to estimate the fox
population in the year 2008.
Your answer is (the answer must be an integer)
Submit Question
Chapter 4 Review Quiz_On-line
© 1hr55mins X
Score: 0/26 0/26 answered
Done 6 Vo :
Question 6

>
ū0/1 pt 3 0 Details
Find an equation for the graph sketched below
8+
7
6
5
4
3
2
1
2
4
-5 -4 -3 -2 -1
– 1
5
-2
-3
-5
-6
-7
-8+
다.
f(x) =
Submit Question
Chapter 4 Review Quiz_On-line
© 1hr56mins X
Score: 0/26 0/26 answered
Done 6 VO :
Question 1
V
>
B0/1 pt 53 Details
The fox population in a certain region has an annual growth
rate of 4 percent per year. It is estimated that the
population in the year 2000 was 29100.
(a) Find a function that models the population t years after
2000 (t = 0 for 2000).
Your answer is P(t) =
(b) Use the function from part (a) to estimate the fox
population in the year 2008.
Your answer is (the answer should be an integer)
Submit Question
Chapter 4 Review Quiz_On-line
© 1hr56mins X
Score: 0/26 0/26 answered
Done 6 Vo
Question 2
>
B0/1 pt 5 3 Details
Find a formula for the exponential function passing through
the points (-2,-) and (1,6)
2
у
=
Submit Question
© 1hr56mins X
Chapter 4 Review Quiz_On-line
Score: 0/26 0/26 answered
Done 6 Vo :
Question 3
v
< >
B0/1 pt 5 3 0 Details
A house was valued at $110,000 in the year 1989. The value
appreciated to $165,000 by the year 2004.
=
P(1 + r)t to answer
Use the compund interest formula s
the following questions.
A) What was the annual growth rate between 1989 and
2004?
Round the growth rate to 4 decimal places.
r =
B) What is the correct answer to part A written in
percentage form?
%.
r =
C) Assume that the house value continues to grow by the
same percentage. What will the value equal in the year
2009 ?
value = $
Round to the nearest thousand dollars.
Submit Question
1hr56mins X
Chapter 4 Review Quiz_On-line
Score: 0/26 0/26 answered
Done 色 10 :
Question 4
< >
B0/1 pt 5 3 0 Details
The fox population in a certain region has a continuous
growth rate of 4 percent per year. It is estimated that the
population in the year 2000 was 29100.
(a) Find a function that models the population t years after
2000 (t = 0 for 2000).
Your answer is P(t) =
=
(b) Use the function from part (a) to estimate the fox
population in the year 2008.
Your answer is (the answer must be an integer)
Submit Question
Chapter 4 Review Quiz_On-line
© 1hr55mins X
Score: 0/26 0/26 answered
Done 6 Vo :
Question 6

>
ū0/1 pt 3 0 Details
Find an equation for the graph sketched below
8+
7
6
5
4
3
2
1
2
4
-5 -4 -3 -2 -1
– 1
5
-2
-3
-5
-6
-7
-8+
다.
f(x) =
Submit Question

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