Question 280828
{{{f(x) = sqrt(x)}}}
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{{{f(-100) = sqrt(-100)}}}
{{{f(-100) = sqrt(100)*sqrt(-1)}}}
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i is an imaginary number that represents {{{sqrt(-1)}}}
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{{{f(-100) = 10*i}}}
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{{{f(48)=sqrt(48)}}}
{{{f(48) =sqrt(16)*sqrt(3)}}}
{{{f(48) = 4*sqrt(3)}}}
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Done