A 4-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 2 Superscript x with entries one-fourth, one-half, a, d, 4. The third column is labeled 3 times 2 Superscript x with entries three-fourths, three-halves, b, e, 12. The fourth column is labeled 2 Superscript 3 x with entries StartFraction 1 Over 64 EndFraction, one-eighth, c, f, 64. a = b = c = d = e = f =