f(x) = (0.5)^3x

Now use the function in its new form to complete the sentence.
When x increases by 1, the function 1._ by a factor of 2._
1.
a. increases
b. decreases

2.
a. 0.5
b. 0.25
c. 1/8
d. 8

1. The correct answer is a. increases.

2. The correct answer is c. 1/8.