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)

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.Com

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) (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
RELATED QUESTIONS
1(a) Given the universal set U={1,2,3,�,9} and the sets A={1,2,3,4,5};... (answered by Edwin McCravy)

Given that F(x)= 7x-3/2x+5 is ONE-ONE find the following. a) D[f(x)] b) f^-1(x) c)... (answered by CubeyThePenguin)

Find an equation of the line that passes through the point (1,-3) and is parallel to the... (answered by nyc_function)

Given the function f(x)=3x-4, evaluate: (a) f(x-2), (b) f(x)-f(2), (c) f(1)/f(3), and... (answered by solver91311,rothauserc)

8r = 1/9 what does r... (answered by Alan3354)

8r - r/6 > 1/6 -... (answered by Fombitz)

1. what is the inverse of the function y=-4/3 x-9/3 2. what is the inverse relation... (answered by lynnlo)

Evaluate the function. Given that f(x) = (sqrt x^2+1)/(x-1) , find f(-3). A) (sqrt... (answered by solver91311)

given f(x) = ax^2 + bx + 5. Find a and b such that f(x + 1) - f(x) = 8x +... (answered by jim_thompson5910)