SOLUTION: Alrighty . . . the problem is stated as: For f(x) = 5x – 4, find f(-1). The way I see this in my head is the answer is 0. However I think it might not be but I can't figure out

Algebra ->  Equations -> SOLUTION: Alrighty . . . the problem is stated as: For f(x) = 5x – 4, find f(-1). The way I see this in my head is the answer is 0. However I think it might not be but I can't figure out       Log On


   



Question 83057: Alrighty . . . the problem is stated as: For f(x) = 5x – 4, find f(-1).
The way I see this in my head is the answer is 0. However I think it might not be but I can't figure out how to proceed, I just see zero as the solution. Can you help please.

Found 2 solutions by scott8148, checkley75:
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
what this means is substitute -1 for the x in the expression and evaluate ... f(-1)=5(-1)-4 ... f(-1)=-9

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=5x-4
f(-1)=5(-1)-4
f(-10=-5-4
f(-1)=-9 answer.