SOLUTION: If f (x) = 4x -3, find the following: 8. f (-1)

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Question 122216: If f (x) = 4x -3, find the following:
8. f (-1)

Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!

Let's evaluate f%28-1%29


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


f%28-1%29=4%28-1%29-3 Plug in x=-1. In other words, replace each x with -1.


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


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