Answers2025-2026_MDCPS_1200710_Mathematics for College Algebra_Sem 2-CRUnit Test

Unit Test — Unit test Answers

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The formula for determining the frequency, f, of a note on a piano is , where h is the number of half-steps from the A above middle C on the keyboard. A note is six half-steps away from the A above middle C. The frequency of the A above middle C is 440 Hz. How much greater is the frequency of the new note compared with the frequency of the A above middle C?

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A
29.3%
B
41.4%
C
70.7%
D
182.3%
22
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Which is equivalent to ?

Question illustration
A
3
B
6
C
36
D
72
23

The population, p, of a town after t years is represented using the equation . Which of the following is an equivalent expression?

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A
mc005-2.jpg
Option A
B
mc005-3.jpg
Option B
C
mc005-4.jpg
Option C
D
mc005-5.jpg
Option D
24

Which is equivalent to ?

Question illustration
A
4
B
12
C
64
D
192
25

Which statements accurately describe the function f(x) = 3? Select three options.The domain is all real numbers. The range is y > 3.The initial value is 3.The initial value is 9.The simplified base is .

Question illustration
A
The domain is all real numbers.
B
The range is y > 3.
C
The initial value is 3.
D
The initial value is 9.
E
The simplified base is .
Option E

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