SOLUTION: Find the following if f(x) = 4x -3 f(-1) -1 = 4(-1) - 3 -1 = -4 -3 -1 = -1 Double checking to see if I did these right

Algebra ->  Linear-equations -> SOLUTION: Find the following if f(x) = 4x -3 f(-1) -1 = 4(-1) - 3 -1 = -4 -3 -1 = -1 Double checking to see if I did these right      Log On


   



Question 107386: Find the following if f(x) = 4x -3 f(-1)
-1 = 4(-1) - 3
-1 = -4 -3
-1 = -1
Double checking to see if I did these right

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
I think your question is find f(-1) if f(x)=4x-3.
Substitute the value of x=-1 in the equation.
f%28x%29=4x-3
f%28-1%29=4%28-1%29-3
f%28-1%29=-4-3
f%28-1%29=-7