SOLUTION: If f(x)=3x+7, find f(-2).

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Question 108074: If f(x)=3x+7, find f(-2).
Answer by HyperBrain(694) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=3x%2B7
If x=-2,

f%28-2%29=3%28-2%29%2B7=-6%2B7=1

Thus, if f%28x%29=3x%2B7, then f%28-2%29=1

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HyperBrain!