N/A — Exam Answers

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Which expression is equivalent to open paren x raised to the 1 fourth power y to the 16th power close paren raised to the 1 half power ?

A
x raised to the 1 half power y to the 4th power
B
x raised to the 1 fourth power y to the 8th power
C
x raised to the 1 fourth power y to the 4th power
D
x raised to the 1 eighth power y to the 8th power
42
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What is the approximate value of a local maximum for the polynomial?

A
2 point 5
B
0 point 5
C
negative 2 point 5
D
negative 4 point 5
43

Which statement is true?

A
The mean and median age are most likely the same for both sets of data.
B
The median age of the students in Math 1 is greater than the median age of the students in Math 2.
C
The median age of the students is Math 1 is less than the median age of the students in Math 2.
D
The mean and median age are more likely to be the same for the students in Math 1.
44

Why might the graph be considered misleading?

A
The scales on the x - and y -axes are unequal.
B
The interval on the y -axis is too large for the data set.
C
The interval on the x -axis is too large for the data set.
D
The scale on the y -axis misrepresents the difference in the heights of the bars.
45

The scatterplot shows the ages and finishing times of seven men who ran a charity 5 cap k run. Use the labeled points to create a linear model that predicts the race time in minutes, y , of a man of any age, x Which equation represents this linear model?

A
y is equal to 0 point 4 7 x plus 7 point 7 2
B
y is equal to 2 point 1 4 6 x minus 27 point 5 7
C
y is equal to 0 point 4 7 x plus 29 point 1 5
D
y is equal to 2 point 1 4 6 x minus 2 point 0 7
47

For the graphs, for which probability distribution is the value of the median greater than the value of the mean?

A
Negatively skewed
B
Normal, symmetrical distribution
C
Positively skewed distribution
D
None of the above
49

What is the domain of the function?

A
x is less than 0
B
all real numbers
C
x is less than 1
D
x is greater than 0
50

The values in the table represent the graph of a continuous function. Which interval must contain an x -intercept?

A
negative 1 point 5 is less than x comma x is less than negative 1 point 1
B
negative 3 point 1 is less than x comma x is less than negative 2 point 7
C
negative 2 point 3 is less than x comma x is less than negative 1 point 9
D
negative 0 point 3 is less than x comma x is less than 0 point 1

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