AnswersNJ-Algebra I CRUnit Test

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The function f(x) is shown on the graph.

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A
12 only
B
2 and 3 only
C
–2, –1, 1, and 2 only
D
–2, –1, 1, 2 and 12
22
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Which equation represents a line that passes through (2, –) and has a slope of 3?

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A
y – 2 = 3(x + )
Option A
B
y – 3 = 2(x + )
Option B
C
y + = 3(x – 2)
Option C
D
y + = 2(x – 3)
Option D
23

A 2-column table with 6 rows. The first column is labeled x with entries negative 3, negative 2, negative 1, 0, 1. The second column is labeled f of x with entries 15, negative 5, 0, 5, 0, negative 5.

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A
f(x) ≤ 0 over the interval (–∞, ∞).
B
f(x) > 0 over the interval (–1, ∞).
C
f(x) ≥ 0 over the interval [–1, 1].
D
f(x) < 0 over the interval (0, 2).
24

A sequence is defined by the recursive formula f(n + 1) = 1.5f(n). Which sequence could be generated using the formula?

A
–12, –18, –27, ...
B
–20, 30, –45, ...
C
–18, –16.5, –15, ...
D
–16, –17.5, –19, ...
25

What is the y-intercept of the function f(x)=4 – 5x?

A
–5
B
–4
C
4
D
5

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