Rewrite the function f(x)=1/5(1/4)^x/2 in the form f(x)=a(b)^x.

Question

Write a and b as whole numbers, decimals, or simplified proper or improper fractions.
f(x)=
Now use the function in its new form to complete the sentence.
When x increases by 1, the function_____ by a factor of _____
.

Answer 1

f(x) = 1/20(1/4)^x

When x increases by 1, the function decreases by a factor of 1/4.