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Unit 5 Review
By Faith Draper
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Last updated over 2 years ago
17 questions
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Question 1
1.
Simplify. (No fractions in this answer)
Question 2
2.
Simplify.
Question 3
3.
Simplify.
Question 4
4.
Simplify.
Question 5
5.
Find the exact value
y=
Question 6
6.
Find the exact value
y=
Question 7
7.
Find the exact value
y=
Question 8
8.
Evaluate the expression. Give exact answers.
Question 9
9.
Evaluate the expression. Give exact answers.
Question 10
10.
Solve over the interval [0,2π]. Give exact answers when possible. Put a comma between your answers if applicable.
x= put a comma space if more than one answer
Question 11
11.
Solve over the interval [0,2π]. Give exact answers when possible. Put a comma between your answers if applicable.
Hint: you have to know an identity from last unit for this! THIS IS A CHALLENGE PROBLEM
x= put a comma space if more than one answer
Question 12
12.
Solve over the interval [0,2π]. Give exact answers when possible. Put a comma between your answers if applicable.
x= put a comma space if more than one answer
An electronic thermostat controls the temperatuce in an office. The temperatures vary according to the sinusoidal function
where y is the temperature (°C) and x is the time in hours past midnight.
Use this information for 23-25
Question 13
13.
What is the temperature in the office at 9 A.M. when employees come back to work?
Make sure °C is in your answer
Question 14
14.
What is the maximum temperature in the office?
Graph and analyze for maximum. Make sure you are in the correct mode.
Make sure °C is in your answer
Question 15
15.
What is the minimum temperature in the office?
Graph and analyze for minimum. Make sure you are in the correct mode.
Make sure °C is in your answer
Question 16
16.
Find an equation for the following: A mass on the end of a spring is at rest 120 cm above the ground. It is pulled down 50 cm and released at t=0.
Given: the period=π/5
Hint: which trig function does NOT star at the origin?
y=
Question 17
17.
Use the equation from #26 to find the height of the mass after 4 seconds. Round to the nearest tenth.