Answer:
C) F(n) = 10n-1
Explanation:
C) F(n) = 10n-1
Try a few points
F(n) = 10n-1
= 10(20) - 1
= 200-1
= 199 >>> which matches the table
F(n) = 10n-1
= 10(5) - 1
= 50-1
= 49 >>> which matches the table
F(n) = 10n-1
= 10(1) - 1
= 10-1
= 9 >>> which matches the table