# If #f(n) = 9^-n#, then what is #f(-1/4)#?

##### 2 Answers

Feb 20, 2016

#### Explanation:

put

Feb 20, 2016

The number in the parentheses to the right replaces

#### Explanation:

When they give you the equation and something like

**Practice exercises:**

- Evaluate, assuming the equations are of the form
#f(x) = y#

a)

b)

c)

d).

Good luck!