


Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
Material Type: Exam; Class: Precalculus II; Subject: Mathematics; University: Community College of Philadelphia; Term: Spring 2004;
Typology: Exams
1 / 4
This page cannot be seen from the preview
Don't miss anything!
Math 162 Test 1 Name_______________________________
1 – 4 Rewrite in equivalent logarithmic form:
5 – 8 Rewrite in equivalent exponential form:
(Hint: first rewrite as a single logarithm.)
domain and range of each are, by filling in the blanks:
y = ex^ and y =ln x
Loudness is often measured in decibels. If x is the sound intensity measured in watts per
square meter the decibel level is given by 0
square meter, the least intense sound that a human ear can detect.
12
In this measurement, how many decibels is the least sound a human ear can detect?
If the intensity is 1,000,000 watts per square meter, what is the decibel level?
If a dripping faucet is 30 decibels, find the sound intensity.