SOLUTION: I need help solving this problem step by step. Can you help? Find a formula for a function f for which f(-2) = 3.

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Question 179189: I need help solving this problem step by step. Can you help?
Find a formula for a function f for which f(-2) = 3.

Answer by Mathtut(3670) About Me  (Show Source):
You can put this solution on YOUR website!
sure:
:
basically x+a has to equal 3
:
x+a=3
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if our case we know that x is -2
:
-2+a=3
:
a=5
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so f(x)=x+5
:
f(-2)=-2+5=3