Question

If f(12) = 100(0.50)^12, which expression gives f(x)?

Answer 1

The correct answer is f(12)= (0.50)^12

Answer 2

f(x) = 100(0.50)x

Explanation:

f(1) = 100(0.50)1

f(2) = 100(0.50)2

Therefore f(x) = 100(0.50)x