AnswersKY-Algebra II CRUnit Test

Unit Test — Unit test Answers

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Which function is most likely graphed on the coordinate plane below?

Question illustration
A
f(x) = 3x – 11
B
f(x) = –4x + 12
C
f(x) = 4x + 13
D
f(x) = –5x – 19
22
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If a(x) = 2x - 4 and b(x) = x + 2, which of the following expressions produces a quadratic function?

A
(ab)(x)
B
(StartFraction a Over b EndFraction) (x)
Option B
C
(a – b)(x)
D
(a + b)(x)
23

Which function has an inverse that is also a function?

A
g(x) = 2x – 3
B
k(x) = –9x2
C
f(x) = |x + 2|
D
w(x) = –20
24

If f(x) = |x| + 9 and g(x) = –6, which describes the range of (f + g)(x)?

A
(f + g)(x) 3 for all values of x
Option A
B
(f + g)(x) 3 for all values of x
Option B
C
(f + g)(x) 6 for all values of x
Option C
D
(f + g)(x) 6 for all values of x
Option D
25

The value, V(m), of a comic book m months after publication has an average rate of change of –0.04 between m = 36 and m = 60. Which statement must be true?

A
The value of the comic book decreased by a total of $0.04 between m = 36 and m = 60.
B
The value of the comic book increased by a total of $0.04 between m = 36 and m = 60.
C
The value of the comic book decreased by an average of $0.04 each month between m = 36 and m = 60.
D
The value of the comic book increased by an average of $0.04 each month between m = 36 and m = 60.

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