Relations and Functions Answers
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1
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Given , find .
A
–334B
–14C
45D
4452
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Given , what is ?
A
Negative 10
B
Negative 6
C
6
D
14
3
Which of the following graphs represents a one-to-one function?
A
On a coordinate plane, a function has two curves connected to a straight line. The first curve has a maximum of (negative 6, 4) and a minimum of (negative 4.5, negative 1). The second curve has a maximum of (negative 3.5, 2) and a minimum of (negative 2.5, 0.5). The straight line has a positive slope and starts at (negative 2, 1) and goes through (1, 2).
B
On a coordinate plane, a circle intersects the x=axis at (negative 2, 0) and (2, 0) and intercepts the y-axis at (0, 4) and (0, negative 4).
C
On a coordinate plane, a v-shaped graph is facing up. The vertex is at (0,0) and the function goes through (negative 4, 4) and (4, 4).
D
A coordinate plane has 7 points. The points are (negative 4, 1), (negative 3, 4), (negative 1, 3), (1, negative 3), (3, negative 4), (4, negative 2), (5, 3).
4
What is the range of the function graphed below?
A
1 less-than-or-equal-to y less-than 4
B
Negative 3 less-than y less-than-or-equal-to 3
C
Negative 2 less-than-or-equal-to y less-than-or-equal-to 3
D
Negative 3 less-than-or-equal-to y less-than 4
5
In which function is x = 2 mapped to 32?
A
f (x) = Negative 3 x squared minus 4
B
g (x) = 4 (x + 3) squared minus 68
C
h (x) = 3 x
D
j (x) = 2x minus 62
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