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Question 101817: Find F(-1)given F(x)=2x+1
Answer by bucky(2189)   (Show Source):
You can put this solution on YOUR website! Given:
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F(x)=2x+1
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To find F(-1) all you do is substitute -1 for every x you have in the given function and
then simplify the result.
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So to solve this problem:
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(1) Go to the given function F(x) = 2x + 1
(2) Substitute -1 for every x in the given function to get F(-1) = 2(-1) + 1
(3) Simplify the right side by multiplying 2 times -1 to get -2 and then add the +1
(4) Continue the simplification by combining the -2 and +1 to get -1
(5) Write out the answer as F(-1) = -1
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That's the answer ... F(-1) = -1.
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Hope this helps you to understand what the problem asked you to do ... just evaluate the
given function when x is equal to -1.
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