SOLUTION: Evaluate the function. Given that f(x) = (1)/(4-8x) , find f(r - 3). A) (1)/(1-8r) B) (1)/(28-8r) C) (1)/(28+b) D) (1)/(r-3-8x)

Algebra ->  Equations -> SOLUTION: Evaluate the function. Given that f(x) = (1)/(4-8x) , find f(r - 3). A) (1)/(1-8r) B) (1)/(28-8r) C) (1)/(28+b) D) (1)/(r-3-8x)       Log On


   

Question 201556: Evaluate the function.
Given that f(x) = (1)/(4-8x) , find f(r - 3).
A) (1)/(1-8r)
B) (1)/(28-8r)
C) (1)/(28+b)
D) (1)/(r-3-8x)
Answer by RAY100(1637) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = 1/(4-8x)
.
f(r-3) = 1/ { 4-8(r-3) }
.
f(r-3 = 1/ (4-8r+24)
.
f(r-3) = 1/ (28 -8r),,,,,,or B