SOLUTION: What is the value of f(-3). The equation is f(-3)?f(x) = 2x second power+ 5x-9

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Question 568428: What is the value of f(-3). The equation is f(-3)?f(x) = 2x second power+ 5x-9
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Start with the given function


Plug in (ie replace every x with -3)


Square -3 to get 9


Multiply


Combine like terms


So the answer is
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