# algebra

posted by
**think I got it**
.

Given f(x) = 2x - 5, find f(-3a).

F(x)= 2(-3a) -5

F(-3a) = 2(3a)-5

= 1

did I do this right?

You went from:

f(-3a)

to

f(3a)

Also, what happened to the "a?"

Matt