Question

The following ordered pairs came from a function transformation. The original ordered pair is (8,2)
, and the transformation ordered pair is (2,2)
. Identify the value of k.

Answer 1

Assume the transformation is g(x) = f(kx). Since f(8) = 2 and the transformed point is (2,2), we have g(2) = f(k·2) = f(8). So k·2 = 8, giving k = 4.