# 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

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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)

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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

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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)

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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)

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Q 20Q 20

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

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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.

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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.

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