SOLUTION: considering f(x)=2x+1 evaluate for f(3)

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Question 644371: considering f(x)=2x+1 evaluate for f(3)
Answer by MathLover1(20850) About Me  (Show Source):
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f%28x%29=2x%2B1 evaluate for f%283%29

f%283%29=2%2A3%2B1
f%283%29=6%2B1
f%283%29=7