Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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Write the first 4 terms of the sequence. Indicate
whether the sequence is arithmetic or geometric.
a1 = –54;
an = an – 1 + 7
A. | –54, –60, –66, –72;
arithmetic | B. | –54, –378,
–2646, –18522; geometric | C. | –54, –7.7,
–1.1, –0.2; geometric | D. | –54, –47,
–40, –33; arithmetic |
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2.
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Joanna has $625 in her checking account but plans to
withdraw $78 each month for her share of the apartment utilities. Which function represents the
balance of her checking account, B, after x months without considering other
withdrawals?
A. | B = 78 – 625x | B. | B = 625(78)x | C. | B = 625 – 78x | D. | B =
78x2 + 625x |
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3.
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Describe the transformations of the linear parent function,
f(x) = x, that will result in the graph of the linear function
h(x) = 3(x + 2).
A. | vertical stretch by a factor of two and translation three units
to the left | B. | vertical stretch by a
factor of three and translation two units to the left | C. | vertical stretch by a factor of two and translation three units to the
right | D. | vertical compression by a factor of one-third and translation two
units to the right |
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4.
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Which of the following equations represents the data given
below?
A. | y = 60x3 + 26.67x2
+ 9.33x + 6 | B. | y =
14x3 + 16x2 + 19x +
6 | C. | y = 3.33x3 + 17.33x2 +
33.33x + 6 | D. | y =
0.33x3 + 6x2 – 3x +
6 |
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5.
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Describe the transformations of the cubic parent function,
f(x) = x3 that will result in the function h(x) =
–2(x + 1)3 – 9.
A. | vertical stretch by a factor of  , reflection over the y-axis, and translation 1 unit
left and 9 units up | B. | vertical stretch by a
factor of 2, reflection over the x-axis, and translation 1 unit left and 9 units
up | C. | vertical stretch by a factor of 2, reflection over the
x-axis, and translation 1 unit left and 9 units down | D. | vertical stretch by a factor of 9, reflection over the y-axis, and translation 1
unit right and 2 units down |
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Matching
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Determine if each function represented is cubic,
exponential, linear, or quadratic, then write a function relating the variables. Use the choices
provided to determine your answers.
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6.
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Cubic
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7.
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Linear
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8.
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Quadratic
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9.
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y = 4x3 – 125
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10.
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y =
–125(0.2)x
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