jackie58
jackie58
18-02-2016
Mathematics
contestada
f(x)=2x²+1 what is f(x) when x=3?
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begyannana
begyannana
18-02-2016
f(x)=2x^2+1
f(3)=2(3)^2+1
f(3)=2(9)+1
f(3)=18+1
f(3)=19
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TSO
TSO
18-02-2016
[tex]f(x) = 2x^2 +1 \\\\f(3) = 2(3)^2 + 1\\\\f(3) = 2(9) + 1\\\\f(3) = 18 + 1\\\\\boxed{\bf{f(3)=19}}[/tex]
Answer Link
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