SOLUTION: Find the function value: find f(-11) when f(x)= -5x-14 Please show steps as I am really confused with this. Thanks.

Algebra ->  Functions -> SOLUTION: Find the function value: find f(-11) when f(x)= -5x-14 Please show steps as I am really confused with this. Thanks.      Log On


   

Question 757725: Find the function value:
find f(-11) when f(x)= -5x-14
Please show steps as I am really confused with this. Thanks.
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)= -5x-14

f(-11)= -5(-11)-14 ... plug in x = -11 (ie replace EVERY x with -11). Now evaluate/simplify

f(-11)= 55-14

f(-11)= 41

So the final answer is f(-11)= 41