Inequalities — Unit test Answers
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Which function is shown in the graph below?
A
y = (one-half) Superscript x + 3 Baseline minus 1
B
y = (one-half) Superscript x minus 3 Baseline + 1
C
y = (one-half) Superscript x minus 1 Baseline + 3
D
y = (one-half) Superscript x + 1 Baseline minus 3
22
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What is the approximate value of ?
A
0.233B
0.557C
0.620D
1.79623
The intensity, or loudness, of a sound can be measured in decibels (dB), according to the equation , where I is the intensity of a given sound and is the threshold of hearing intensity. What is the intensity, in decibels, [I(dB)], when ?
A
8B
9C
19D
8024
If you are given the graph of , how could you graph ?
A
Translate each point of the graph of h(x) 3 units up.B
Translate each point of the graph of h(x) 3 units down.C
Translate each point of the graph of h(x) 3 units right.D
Translate each point of the graph of h(x) 3 units left.25
Which equation is equivalent to ?
A
3 squared = left-bracket log Subscript 3 Baseline (x + 5) right-bracket cubed
B
2 cubed = left-bracket log Subscript 3 Baseline (x + 5) right-bracket squared
C
3 squared = x + 5
D
2 cubed = x + 5
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