Algebra 2 Quiz
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BUILDING FUNCTIONS
Question 1
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Which statement best compares the effects of
f
(
2
x
)
f(2x)
f
(
2
x
)
and
2
f
(
x
)
2f(x)
2
f
(
x
)
on the graph of a general function
f
f
f
?
A
f
(
2
x
)
f(2x)
f
(
2
x
)
stretches horizontally by 2, while
2
f
(
x
)
2f(x)
2
f
(
x
)
stretches vertically by 2
B
f
(
2
x
)
f(2x)
f
(
2
x
)
compresses horizontally by 2, while
2
f
(
x
)
2f(x)
2
f
(
x
)
stretches vertically by 2
C
f
(
2
x
)
f(2x)
f
(
2
x
)
stretches vertically by 2, while
2
f
(
x
)
2f(x)
2
f
(
x
)
compresses horizontally by 2
D
Both
f
(
2
x
)
f(2x)
f
(
2
x
)
and
2
f
(
x
)
2f(x)
2
f
(
x
)
compress the graph horizontally by 2
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