# algebra

posted by
**confused** on
.

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

okay were does the a come in here? do I just write -3a in place of x as i did before?

posted by
**confused** on
.

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

okay were does the a come in here? do I just write -3a in place of x as i did before?