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OpenStudy (anonymous):
If f(x) = 2x2 - 10, find f(5).
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OpenStudy (anonymous):
90 10 7.5 40
undeadknight26 (undeadknight26):
is that x^2?
hartnn (hartnn):
just plug in x = 5 in the equation
hartnn (hartnn):
\(f(5) = 2 (5)^2-10\)
OpenStudy (anonymous):
yes
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OpenStudy (anonymous):
40?
hartnn (hartnn):
correct :)
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