AnswersFL-1200330-Algebra 2 ASymmetry

Symmetry Answers

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Which statement best describes how to determine whether f(x) = 9 – 4x2 is an odd function?

A
Determine whether 9 – 4(–x)2 is equivalent to 9 – 4x2.
B
Determine whether 9 – 4(–x2) is equivalent to 9 + 4x2.
C
Determine whether 9 – 4(–x)2 is equivalent to –(9 – 4x2).
D
Determine whether 9 – 4(–x2) is equivalent to –(9 + 4x2).
2
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Suppose f(x) is a function such that if p < q, f(p) < f(q). Which statement best describes f(x)?

A
f(x) can be odd or even.
B
f(x) can be odd but cannot be even.
C
f(x) can be even but cannot be odd.
D
f(x) cannot be odd or even.
3

The graph of f(x) consists of 14 points. Six of the points lie in Quadrant I of the coordinate plane. If f(x) is an odd function, what is the greatest number of points that can lie in Quadrant II?

A
one
B
two
C
six
D
eight
4

Which graph represents an even function?

A
On a coordinate plane, a hyperbola has a curve in quadrant 1 and a curve in quadrant 3. The curve in quadrant 1 has a vertex at (2, 2) and goes through points (1, 5) and (5, 1). The curve in quadrant 3 has a vertex at (negative 2, negative 2) and goes through points (negative 5, negative 1) and (negative 1, negative 5).
Option A
B
On a coordinate plane, a function has two curves. The first curve is asymptotic to x = negative 3, goes through (negative 2, 0), has a minimum of (negative 1.5, negative 1), goes through (negative 1, 0), and connects with the second curve at (0.5, 3). The second curve starts at (0.5, 3), goes through (2, 0), has a minimum of (2.5, negative 1), goes through (3, 0), and is asymptotic to x = 4.
Option B
C
On a coordinate plane, a parabola opens down. It goes through (negative 2, 0), has a vertex at (0, 4), and goes through (2, 0).
Option C
D
On a coordinate plane, a straight line has a negative slope. It goes through (negative 2, 4), crosses the y-axis at (0, 2), and crosses the x-axis at (2, 0).
Option D
5

If f(x) = (xm + 9)2, which statement about f(x) is true?

A
f(x) is an even function for all values of m.
B
f(x) is an even function for all even values of m.
C
f(x) is an odd function for all values of m.
D
f(x) is an odd function for all odd values of m.
6

Which statement best describes how to determine whether f(x) = x3 + 5x + 1 is an even function?

A
Determine whether –(x3 + 5x + 1) is equivalent to x3 + 5x + 1.
B
Determine whether (–x)3 + 5(–x) + 1 is equivalent to x3 + 5x + 1.
C
Determine whether –x3 + 5x + 1 is equivalent to –(x3 + 5x + 1).
D
Determine whether (–x)3 + 5(–x) + 1 is equivalent to –(x3 + 5x + 1).
7

Which phrase best describes f(x), graphed on the coordinate plane below?

Question illustration
A
f(x) is an odd function.
B
f(x) is an even function.
C
f(x) is both odd and even.
D
f(x) is neither odd nor even.
8

Which of the following is an even function?

A
f(x) = (x – 1)2
B
f(x) = 8x
C
f(x) = x2 – x
D
f(x) = 7
9

The graph of the even function f(x) has five x-intercepts. If (6, 0) is one of the intercepts, which set of points can be the other x-intercepts of the graph of f(x)?

A
(–6, 0), (–2, 0), and (0, 0)
B
(–6, 0), (–2, 0), and (4, 0)
C
(–4, 0), (0, 0), and (2, 0)
D
(–4, 0), (–2, 0), and (0, 0)
10

If f(x) is an even function, which statement about the graph of f(x) must be true?

A
It has rotational symmetry about the origin.
B
It has line symmetry about the line y = x.
C
It has line symmetry about the y-axis.
D
It has line symmetry about the x-axis.

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