AnswersPBCSD_Grade_Forgiveness_1200330_Algebra 2_S2_2024Modeling with Exponential and Logarithmic Equations
Modeling with Exponential and Logarithmic Equations — Unit test Answers
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The loudness, L, measured in decibels (Db), of a sound intensity, I, measured in watts per square meter, is defined as , where and is the least intense sound a human ear can hear. Jessica is listening to soft music at a sound intensity level of 10-9 on her computer while she does her homework. Braylee is completing her homework while listening to very loud music at a sound intensity level of 10-3 on her headphones. How many times louder is Braylee’s music than Jessica’s?
A
times louder
B
3 times louderC
30 times louderD
90 times louder22
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The range of which function is ?
A
y = 2xB
y = 2(5x)C
y = 5x +2D
y = 5x + 223
Which geometric series converges?
A
StartFraction 1 Over 81 EndFraction + StartFraction 1 Over 27 EndFraction + one-ninth + one-third + ellipsis
B
1 + one-half + one-fourth + one-eighth + ellipsis
C
Sigma-Summation Underscript n = 1 Overscript infinity EndScripts 7 (negative 4) Superscript n minus 1
D
Sigma-Summation Underscript n = 1 Overscript infinity EndScripts one-fifth (2) Superscript n minus 1
24
What is the true solution to the equation below?
A
x = 2
B
x = 4
C
x = 8
D
x = 64
25
What is the solution to the equation
A
mc012-2.jpg
B
mc012-3.jpg
C
mc012-4.jpg
D
mc012-5.jpg
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