Unit Test — Unit test Answers

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What is the solution to the equation ?

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A
n = –4, n = –1
B
n = –1
C
n = 1
D
n = 1, n = 4
2
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What is the simplified form of the following expression?

Question illustration
A
10|a5b5|
B
10a8b8
C
100|a5b5|
D
100a8b8
3

If , which inequality can be used to find the domain of f(x)?

Question illustration
A
StartRoot 4 x EndRoot greater-than-or-equal-to 0
Option A
B
4 x + 9 greater-than-or-equal-to 0
Option B
C
4 x greater-than-or-equal-to 0
Option C
D
StartRoot 4 x + 9 EndRoot + 2 greater-than-or-equal-to 0
Option D
4

Which could be the function graphed below?

Question illustration
A
f (x) = StartRoot x minus 5 EndRoot + 1
Option A
B
f (x) = StartRoot x minus 2 EndRoot
Option B
C
f (x) = StartRoot x EndRoot
Option C
D
f (x ) = StartRoot x + 4 EndRoot
Option D

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