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Mathematics
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Functions Modeling Change
Quiz 5: Logarithmic Functions
Path 4
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Question 21
Multiple Choice
What is the domain of the function
?
Question 22
Short Answer
The following figure shows the graphs of (A).
(B).
(C).
(D).
.
Which one is the graph of C?
Question 23
Short Answer
The horizontal asymptote of the graph of
is at y = _____. If necessary, round to 2 decimal places.
Question 24
Short Answer
The vertical asymptote of the graph of
is at x = _____. Round to 2 decimal places if necessary.
Question 25
Essay
Let
. A) Graph f. B) What are the asymptotes? C) What are the intercepts?
Question 26
Short Answer
Solve
for
. Give your answer to 4 decimal places.
Question 27
Short Answer
Solve for t:
. Round your answer to 3 decimal places.
Question 28
Short Answer
What is the hydrogen ion concentration [H
+
] for a substance with a pH of 4.3?
Question 29
Short Answer
Sound A is 31 dB. Sound B is 62 dB. How many times more intense is Sound B than Sound A?
Question 30
Essay
How many times more powerful is an earthquake measuring 5.3 on the Richter scale than an earthquake measuring 4.2 on the Richter scale? Round your answer to two decimal places.
Question 31
Short Answer
Find a possible formula for the following graph using either logarithms or exponentials.
Question 32
Short Answer
Find the domain of the function
.