ricki010
ricki010
25-08-2014
Mathematics
Answered
f(x)=2x²+3x-4
what if the function is: f(√2)
Answer :
Lilith
Lilith
25-08-2014
[tex]f(x)=2x^2+3x-4 \\ \\f(\sqrt{2})=2 \cdot (\sqrt{2})^2+3 \cdot \sqrt{2}-4 = 2\cdot 2+3\sqrt{2}-4=4+3\sqrt{2}-4=3\sqrt{2}[/tex]
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luana
luana
25-08-2014
[tex]f(x)=2x^2+3x-4\\\\f(\sqrt2)=2(\sqrt2)^2+3\sqrt2-4\\\\f(\sqrt2)=2*2+3\sqrt2-4\\\\f(\sqrt2)=4+3\sqrt2-4=3\sqrt2[/tex]
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