SOLUTION: if f(x)=20-2x find f(7)

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Question 222602: if f(x)=20-2x find f(7)
Answer by rapaljer(4671) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=20-2x

Just substitute 7 in place of all the x's.
f(7)=20-2*7
f(7=20-14=6

R^2

Dr. Robert J. Rapalje