Which exponential function has a growth factor of 1/2

Which exponential function has a growth factor of One-half?

f(x) = 2(0.5x)

On a coordinate plane, an exponential function decreases from quadrant 2 into quadrant 1 and approaches y = 0. It goes through (negative 1, 2) and crosses the y-axis at (0, 0.5).

f(x) = 0.5(2x)

A 2-column table has 5 rows. The first column is labeled x with entries negative 2, negative 1, 0, 1, 2. The second column is labeled f (x) with entries one-eighth, one-fourth, one-half, 1, 2.

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