Function Notation — Unit test Answers
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The volume of air inside a rubber ball with radius r can be found using the function . What does represent?
A
the radius of the rubber ball when the volume equals cubic feet
B
the volume of the rubber ball when the radius equals feetC
that the volume of the rubber ball is 5 cubic feet when the radius is 7 feetD
that the volume of the rubber ball is 7 cubic feet when the radius is 5 feet23
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What is the inverse of the function f(x) = x – 12?
A
h(x) = 48x – 4B
h(x) = 48x + 4C
h(x) = 4x – 48D
h(x) = 4x + 4824
A 2-column table with 4 rows. The first column is labeled x with entries negative 6, negative 1, 0, 3. The second column is labeled y with entries negative 7, 1, 9, negative 2.
A
{x | x = –6, –1, 0, 3}B
{y | y = –7, –2, 1, 9}C
{x | x = –7, –6, –2, –1, 0, 1, 3, 9}D
{y | y = –7, –6, –2, –1, 0, 1, 3, 9}25
The function f(x) is shown on the graph.
A
12 onlyB
2 and 3 onlyC
–2, –1, 1, and 2 onlyD
–2, –1, 1, 2 and 12Did you find these answers helpful?
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