# Quiz 1: Functions and Their Graphs

Mathematics

Q 1Q 1

Find the slope of the line through P(-1,4) and Q(-5,0).
A) m = 0
B) m = 2
C) m = 3
D) m = 1
E) m = -1

Free

Multiple Choice

D

Q 2Q 2

Find the slope of the line passing through the pair of points: P (-19,-5); Q (-9,6)
A)
B)
C)
D)
E)

Free

Multiple Choice

D

Q 3Q 3

Find the slope of the line passing through the pair of points.
A) m = 7
B) m = 2
C) m = 1
D) m = -1
E) none of these

Free

Multiple Choice

D

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Q 7Q 7

Write the equation of the line that passes through the point P (1, 4) and is perpendicular to the line y = - 4x + 18.
A)
B)
C)
D)
E)

Free

Multiple Choice

Free

Multiple Choice

Q 9Q 9

Evaluate the difference quotient for the function. f (x) = 2x - 3
A) 2
B) 2x + 3
C) 3
D) -3
E)

Free

Multiple Choice

Free

Multiple Choice

Q 11Q 11

Tell where the function is increasing.
A)
B) always constant
C) always increasing
D) always decreasing
E)

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Q 17Q 17

Find the midpoint of the line segment PQ. P(10, 1), Q(4, 7)
A) M (7, 4)
B) M (7, 3)
C) M (9, 4)
D) M (1, 0)
E) M (12, 7)

Free

Multiple Choice

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Multiple Choice

Q 20Q 20

Let . Find the composite function which expresses the given correspondence correctly.
A)
B)
C)
D)
E) none of the above

Free

Multiple Choice

Q 21Q 21

Determine whether the function is one-to- one. y = 5x
A) No, it isn't one-to-one.
B) Yes, it is one-to-one.

Free

Multiple Choice

Q 22Q 22

Determine whether the function is one-to-one.
A) No, it isn't one-to-one.
B) Yes, it is one-to-one.

Free

Multiple Choice

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Q 26Q 26

Find the slope of the line through P(2,7) and Q(9,63).
A) m = 9
B) m = 8
C) m = 10
D) m = 7
E) m = 6

Free

Multiple Choice

Q 27Q 27

Find the slope of the line passing through the pair of points: P (-1,12); Q (9,3)
A)
B)
C)
D)
E)

Free

Multiple Choice

Q 28Q 28

Find the slope of the line passing through the pair of points.
A) m = 14
B) m = -1
C) m = 1
D) m = 2
E) none of these

Free

Multiple Choice

Free

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Q 32Q 32

Write the equation of the line that passes through the point P (4, 4) and is perpendicular to the line y = - 4x + 13.
A)
B)
C)
D)
E)

Free

Multiple Choice

Free

Multiple Choice

Q 34Q 34

Evaluate the difference quotient for the function. f (x) = 4x - 7
A) -7
B) 7
C)
D) 4
E) 4x + 7

Free

Multiple Choice

Free

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Q 36Q 36

Tell where the function is increasing.
A) always decreasing
B)
C) always constant
D)
E) always increasing

Free

Multiple Choice

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Q 42Q 42

Find the midpoint of the line segment PQ. P(4, 7), Q(6, 7)
A) M (5, 6)
B) M (1, 0)
C) M (7, 7)
D) M (10, 10)
E) M (5, 7)

Free

Multiple Choice

Free

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Multiple Choice

Q 45Q 45

Let . Find the composite function which expresses the given correspondence correctly.
A)
B)
C)
D)
E) none of the above

Free

Multiple Choice

Q 46Q 46

Determine whether the function is one-to- one. y = 6x
A) No, it isn't one-to-one.
B) Yes, it is one-to-one.

Free

Multiple Choice

Q 47Q 47

Determine whether the function is one-to-one.
A) Yes, it is one-to-one.
B) No, it isn't one-to-one.

Free

Multiple Choice

Free

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Multiple Choice

Q 51Q 51

Find the slope of the line through P(-9,1) and Q(-3,-11).
A) m = -1
B) m = -2
C) m = -4
D) m = -3
E) m = 0

Free

Multiple Choice

Q 52Q 52

Find the slope of the line passing through the pair of points: P (-1,-18); Q (13,16)
A)
B)
C)
D)
E)

Free

Multiple Choice

Q 53Q 53

Find the slope of the line passing through the pair of points.
A) m = 5
B) m = 1
C) m = 2
D) m = -1
E) none of these

Free

Multiple Choice

Free

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Multiple Choice

Q 57Q 57

Write the equation of the line that passes through the point P (3, 4) and is perpendicular to the line y = - 5x + 8.
A)
B)
C)
D)
E)

Free

Multiple Choice

Free

Multiple Choice

Q 59Q 59

Evaluate the difference quotient for the function. f (x) = 2x - 9
A) -9
B)
C) 9
D) 2x + 9
E) 2

Free

Multiple Choice

Free

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Q 61Q 61

Tell where the function is decreasing.
A) always increasing
B) always decreasing
C)
D) always constant
E)

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Multiple Choice

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Q 67Q 67

Find the midpoint of the line segment PQ. P(4, 5), Q(2, 1)
A) M (8, 6)
B) M (3, 2)
C) M (1, 0)
D) M (5, 3)
E) M (3, 3)

Free

Multiple Choice

Free

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Multiple Choice

Q 70Q 70

Let . Find the composite function which expresses the given correspondence correctly.
A)
B)
C)
D)
E) none of the above

Free

Multiple Choice

Q 71Q 71

Determine whether the function is one-to- one. y = 3x
A) No, it isn't one-to-one.
B) Yes, it is one-to-one.

Free

Multiple Choice

Q 72Q 72

Determine whether the function is one-to-one.
A) No, it isn't one-to-one.
B) Yes, it is one-to-one.

Free

Multiple Choice

Free

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Multiple Choice

Q 76Q 76

Find the slope of the line through P(5,7) and Q(-1,7).
A) m = 3
B) m = -5
C) m = 6
D) m = 0
E) m = 1

Free

Multiple Choice

Q 77Q 77

Find the slope of the line through P(-8,-8) and Q(9,77).
A) m = 3
B) m = 6
C) m = 5
D) m = 7
E) m = 4

Free

Multiple Choice

Q 78Q 78

Find the slope of the line passing through the pair of points: P (-1,-18); Q (13,16)
A)
B)
C)
D)
E)

Free

Multiple Choice

Q 79Q 79

Find the slope of the line passing through the pair of points.
A) m = 5
B) m = 1
C) m = 2
D) m = -1
E) none of these

Free

Multiple Choice

Free

Multiple Choice

Free

Multiple Choice

Q 82Q 82

Write the equation of the line that passes through the point P (0,0) and is parallel to the line y = 2x - 4.
A) x = 2y
B) y = 4x +2
C) y = -4x
D) y = 2x
E) y = 4x

Free

Multiple Choice

Q 83Q 83

Write the equation of the line that passes through the point P (0,0) and is perpendicular to the line y = - 4x + 5.
A)
B)
C)
D)
E)

Free

Multiple Choice

Q 84Q 84

Write the equation of the line that passes through the point P (3, 4) and is perpendicular to the line y = - 5x + 8.
A)
B)
C)
D)
E)

Free

Multiple Choice

Free

Multiple Choice

Q 86Q 86

Tell where the function is decreasing.
A)
B)
C) always increasing
D) always constant
E) always decreasing

Free

Multiple Choice

Q 87Q 87

Tell where the function is decreasing.
A) always increasing
B) always decreasing
C)
D) always constant
E)

Free

Multiple Choice

Free

Multiple Choice

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Q 94Q 94Let . Find the composite function which expresses the given correspondence correctly.
A)
B)
C)
D)
E) none of the above

Free

Multiple Choice

Q 95Q 95

Determine whether the function is one-to- one. y = 3x
A) No, it isn't one-to-one.
B) Yes, it is one-to-one.

Free

Multiple Choice

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Q 101Q 101

Find the slope of the line through P(5,7) and Q(-1,7).
A) m = 3
B) m = -5
C) m = 6
D) m = 0
E) m = 1

Free

Multiple Choice

Q 102Q 102

Find the slope of the line through P(-7,-3) and Q(7,53).
A) m = 3
B) m = 5
C) m = 6
D) m = 2
E) m = 4

Free

Multiple Choice

Q 103Q 103

Find the slope of the line passing through the pair of points: P (-1,-18); Q (13,16)
A)
B)
C)
D)
E)

Free

Multiple Choice

Q 104Q 104

Find the slope of the line passing through the pair of points.
A) m = 5
B) m = 1
C) m = 2
D) m = -1
E) none of these

Free

Multiple Choice

Free

Multiple Choice

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Multiple Choice

Q 107Q 107

Write the equation of the line that passes through the point P (0,0) and is parallel to the line y = 2x - 4.
A) x = 2y
B) y = 4x +2
C) y = -4x
D) y = 2x
E) y = 4x

Free

Multiple Choice

Q 108Q 108

Write the equation of the line that passes through the point P (0,0) and is perpendicular to the line y = - 4x + 5.
A)
B)
C)
D)
E)

Free

Multiple Choice

Q 109Q 109

Write the equation of the line that passes through the point P (3, 4) and is perpendicular to the line y = - 5x + 8.
A)
B)
C)
D)
E)

Free

Multiple Choice

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Multiple Choice

Q 111Q 111

Tell where the function is decreasing.
A)
B)
C) always increasing
D) always constant
E) always decreasing

Free

Multiple Choice

Q 112Q 112

Tell where the function is decreasing.
A) always increasing
B) always decreasing
C)
D) always constant
E)

Free

Multiple Choice

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Q 119Q 119Let . Find the composite function which expresses the given correspondence correctly.
A)
B)
C)
D)
E) none of the above

Free

Multiple Choice

Q 120Q 120

Determine whether the function is one-to- one. y = 3x
A) No, it isn't one-to-one.
B) Yes, it is one-to-one.

Free

Multiple Choice

Free

Multiple Choice

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Q 126Q 126

Find the slope of the line through P(5,7) and Q(-1,7).
A) m = 3
B) m = -5
C) m = 6
D) m = 0
E) m = 1

Free

Multiple Choice

Q 127Q 127

Find the slope of the line through P(-9,1) and Q(-3,-11).
A) m = -1
B) m = -2
C) m = -4
D) m = -3
E) m = 0

Free

Multiple Choice

Q 128Q 128

Find the slope of the line passing through the pair of points: P (-1,-18); Q (13,16)
A)
B)
C)
D)
E)

Free

Multiple Choice

Q 129Q 129Find the slope of the line passing through the pair of points.
A) m = 5
B) m = 1
C) m = 2
D) m = -1
E) none of these

Free

Multiple Choice

Free

Multiple Choice

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Multiple Choice

Q 132Q 132

Write the equation of the line that passes through the point P (0,0) and is parallel to the line y = 2x - 4.
A) x = 2y
B) y = 4x +2
C) y = -4x
D) y = 2x
E) y = 4x

Free

Multiple Choice

Q 133Q 133

Write the equation of the line that passes through the point P (0,0) and is perpendicular to the line y = - 4x + 5.
A)
B)
C)
D)
E)

Free

Multiple Choice

Q 134Q 134Write the equation of the line that passes through the point P (3, 4) and is perpendicular to the line y = - 5x + 8.
A)
B)
C)
D)
E)

Free

Multiple Choice

Free

Multiple Choice

Q 136Q 136

Tell where the function is decreasing.
A)
B)
C) always increasing
D) always constant
E) always decreasing

Free

Multiple Choice

Q 137Q 137Tell where the function is decreasing.
A) always increasing
B) always decreasing
C)
D) always constant
E)

Free

Multiple Choice

Free

Multiple Choice

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Multiple Choice

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Multiple Choice

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Q 144Q 144Let . Find the composite function which expresses the given correspondence correctly.
A)
B)
C)
D)
E) none of the above

Free

Multiple Choice

Q 145Q 145Determine whether the function is one-to- one. y = 3x
A) No, it isn't one-to-one.
B) Yes, it is one-to-one.

Free

Multiple Choice

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