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If f(x)=2x+1, what is f(2)?
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If f(x)=2x+1, what is f(2)?

User REALFREE
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f(2) means that we must substitute the value 2 in the place of x, that is


f(2)=2\cdot2+1

which gives f(2)=5.

User Vikujangid
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