SOLUTION: if f(x)=3x+7 what is f(-4)

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Question 66415: if f(x)=3x+7 what is f(-4)
Answer by uma(370) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = 3x + 7
f(-4) = 3*(-4) + 7
= - 12 + 7
= - 5
Thus f(- 4) = -5

Good Luck!!!