AnswersAlgebra IIN/A

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Which graph represents y is equal to square root of x ?

A
Image with description On a coordinate plane x and y axes range from negative 9 to 9 in increments of 1. A graph of cubic function passes through points (negative 8 comma negative 2), (0 comma 0), and (8 comma 2). The curve has a point of inflection at the origin with coordinates (0 comma 0).
B
Image with description On a coordinate plane x and y axes range from negative 9 to 9 in increments of 1. The graph has a parabola opening upwards. Its vertex is (0 comma 0). It passes through (negative 2 comma 4) and (2 comma 4).
C
Image with description On a coordinate plane x and y axes range from negative 9 to 9 in increments of 1. The curve originates from the origin and passes through points (3 comma 3) and (8 comma 3) in the first quadrant.
D
Image with description On a coordinate plane x and y axes range from negative 9 to 9 in increments of 1. A graph of cubic function passes through (negative 2 comma negative 8), (negative 1 comma negative 1), the origin, (1 comma 1), and (2 comma 8). The point of inflection is at the origin.
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How long is the arc intersected by a central angle of 5 pi over 3 radians in a circle with a radius of 2 ft? Round your answer to the nearest tenth. Use 3 point 1 4 for pi

A
31 point 4 ft
B
10 point 5 ft
C
2 point 6 ft
D
7 point 0 ft
43

Which of the following is a binomial experiment?

A
Rolling a six-sided number cube and recording the number until an even number comes up
B
Rolling a six-sided number cube 24 times and recording if a 4 comes up
C
Rolling a six-sided number cube and recording the number until a 4 comes up
D
Rolling a six-sided number cube 24 times and recording the number that comes up
44

What is the following sum? 2 times open paren cube root of 16 x cubed y close paren plus 4 times open paren cube root of 54 x to the 6th power y to the 5th power close paren

A
8 x open paren cube root of x y close paren plus 12 x cubed y squared open paren cube root of 6 y close paren
B
16 x cubed y open paren cube root of 2 y squared close paren
C
4 x open paren cube root of 2 y close paren plus 12 x squared y open paren cube root of 2 y squared close paren
D
48 x cubed y open paren cube root of 2 y close paren
45

Which of the following is the inverse of y is equal to 12 to the x th power ?

A
y is equal to the log base 12 of x
B
y is equal to log sub 12 1 over x
C
y is equal to the log base 1 over 12 of x
D
y is equal to the log base x of 12
46

The displacement, d , in millimeters of a tuning fork as a function of time, t , in seconds can be modeled with the equation d is equal to 0 point 6 sine open paren 3520 pi t close paren What is the frequency of the tuning fork?

A
1 over 3520 Hz
B
1760 Hz
C
1 over 1760 Hz
D
3520 Hz
47

The heights of the trees in a forest are normally distributed, with a mean of 25 meters and a standard deviation of 6 meters. What is the probability that a randomly selected tree in the forest has a height greater than or equal to 37 meters? Use the portion of the standard normal table given to help answer the question. z Probability 0 point 0 0 0 point 5 0 0 0 0 point 5 0 0 point 6 9 1 5 1 point 0 0 0 point 8 4 1 3 2 point 0 0 0 point 9 7 7 2 3 point 0 0 0 point 9 9 8 7

A
2 point 3 percent
B
0 point 2 6 percent
C
4 point 6 percent
D
0 point 1 3 percent
48

Why might the graph be considered misleading?

A
The interval on the x -axis is too large for the data set.
B
The scales on the x - and y -axes are unequal.
C
The interval on the y -axis is too large for the data set.
D
The scale on the y -axis misrepresents the difference in the heights of the bars.
49

What is the domain of the function?

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

What is the value of secant theta given the diagram?

A
negative the fraction with numerator square root of 5 and denominator 2
B
square root of 5
C
negative square root of 5
D
the fraction with numerator square root of 5 and denominator 2

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