AnswersPBCSD_Grade_Forgiveness_1200710_Mathematics_for_College_Algebra_S1_2023Combinations and Separations of Functions
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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
oneB
twoC
sixD
eight2
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Which graph represents an odd function?
A
On a coordinate plane, a function has two curves. The first curve is in quadrants 2 and 3 and has a minimum value of (negative 1, negative 3). The curve intersects the x-axis at (negative 2, 0) and goes to (0, 0). The second curve is in quadrants 1 and 4 and has a minimum value of (1, negative 3). The curve starts at (0, 0) and intercepts the x-axis at (2, 0).
B
On a coordinate plane, a curved line crosses the x-axis at (negative 4, 0), (0, 0), and (4, 0).
C
On a coordinate plane, a v-shaped function opens up. The function goes through (0, 2), has a vertex at (2, 0), and goes through (5, 3).
D
On a coordinate plane, a curve has a maximum point at (0.5, 1) and a minimum point at (2, 0). The curve goes through points (0, 0) and (3, 4).
3
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).
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.
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).
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).
4
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.5
Which of the following is an even function?
A
f(x) = |x|B
f(x) = x3 – 1C
f(x) = –3xD
f (x) = RootIndex 3 StartRoot x EndRoot
6
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).7
Which of the following is an even function?
A
f(x) = (x – 1)2B
f(x) = 8xC
f(x) = x2 – xD
f(x) = 78
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).9
Which graph shows line symmetry about the y-axis?
A
On a coordinate plane, a curve is asymptotic to the x-axis and y-axis in quadrant 4.
B
On a coordinate plane, a curve goes through one and one-half cycles. For the first curve, the maximum is at (negative 3, 1) and the minimum is (0, negative 1). For the half curve, the maximum is at (3, 1).
C
On a coordinate plane, two straight lines connect at (0, 0). The first line has a negative slope and goes through (negative 1, 3). The second line has a negative slope and goes through (3, negative 1).
D
On a coordinate plane, a curve has a minimum point at (negative 2.5, negative 5) and a maximum point at (2.5, 5).
10
If f(x) is an odd function and the graph of f(x) includes points in Quadrant IV, which statement about the graph of f(x) must be true?
A
It includes points in Quadrant I.B
It includes points in Quadrant II.C
It does not include points in Quadrant I.D
It does not include points in Quadrant II.Did you find these answers helpful?
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