Question 420451
{{{ f(x)=900(0.5)^(x/100) }}}
given:
{{{ x = 90 }}}
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{{{ f(90)=900(0.5)^(90/100) }}}
{{{ f(90)=900(0.5)^.9 }}}
{{{ f(90)= 900*.53589 }}} (using calculator)
{{{ f(90) = 482.3 }}}
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(a) 482