Select the function that represents a parabola with vertex at $(2,-1)$ and a point $(5,8)$ on its curve.
A) $f(x)=(x+2)^2-1$
B) $f(x)=2(x+2)^2-1$
C) $f(x)=2(x-2)^2-1$
D) $f(x)=(x-2)^2-1$
Asked by goldenarnita
Answer (2)
The function representing the parabola with vertex at (2, -1) that passes through the point (5, 8) is f(x) = (x - 2)^2 - 1. This matches choice D. Other options do not have the correct vertex or do not pass through the specified point.
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