Rewrite the function f(x)=0.125
x
3
in the form f(x)=a(1+r)x. What are the values of a and r?
Write your answers as whole numbers, decimals, or simplified proper or improper fractions.
a=
r=
Now use your answers to complete the sentence.
When x increases by 1, the function
by
.
To rewrite the function in the form f(x) = a(1+r)x, we need to express 0.125 as a fraction. 0.125 can be written as 1/8.
So, f(x) = 1/8 * (1+r)x.
From the given function, we can see that a = 1/8 and r = 0.
When x increases by 1, the function multiplies by 1.