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Converting among Function Representations
Grade Level
ACT Prep
ACTM.122 Converting among Function Representations
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Which graph description represents f(x) = -(1/2)(x + 4)
2
+ 6?
A
An upward-opening parabola with vertex (-4, 6), wider than y = x
2
, and y-intercept -2.
B
A downward-opening parabola with vertex (4, 6), wider than y = x
2
, and y-intercept -2.
C
A downward-opening parabola with vertex (-4, -6), narrower than y = x
2
, and y-intercept -2.
D
A downward-opening parabola with vertex (-4, 6), wider than y = x
2
, and y-intercept -2.
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