Question 987443
{{{y=k*sqrt(x)}}}
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What happens for input of {{{0.64x}}}?


{{{v=k*sqrt(0.64x)}}}
{{{v=k*sqrt((1/100)(8^2)x)}}}
{{{v=k(1/10)*8*sqrt(x)}}}
{{{v=(4/5)k*sqrt(x)}}}
{{{v=(4/5)(y)}}}


The four fifths is  80%.
This resulting value v is 80 percent of y.
This means also an CHANGE by 20 percent.