SOLUTION: Evaluate the function. Given that f(x) = 3 - 5x, find f(-r). A) 3 + 5r B) 3 + rx C) 3 - 5r D) r - 5x

Algebra ->  Equations -> SOLUTION: Evaluate the function. Given that f(x) = 3 - 5x, find f(-r). A) 3 + 5r B) 3 + rx C) 3 - 5r D) r - 5x       Log On


   

Question 201550: Evaluate the function.
Given that f(x) = 3 - 5x, find f(-r).
A) 3 + 5r
B) 3 + rx
C) 3 - 5r
D) r - 5x
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Given that f(x) = 3 - 5x, find f(-r)
Sub -r for x
f(-r) = 3 - 5*(-r)
f(-r) = 3 + 5r