SOLUTION: if f (x) = 4x -3, find the following: f (-1)

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Question 91396: if f (x) = 4x -3, find the following:
f (-1)
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
Lets evaluate f%28-1%29

f%28x%29=4x-3 Start with the given polynomial


f%28-1%29=4%28-1%29-3 Plug in x=-1


f%28-1%29=-4-3 Multiply 4 by -1 to get -4


f%28-1%29=-7 Now combine like terms


So when x=-1, f%28-1%29=-7