Question 987339
.
Below the x axis when y<0:
{{{y=x^4-25}}}
{{{0>x^4-25}}}
{{{25>x^4}}}
{{{5>x^2}}} 
{{{sqrt(5)>x}}}  {{{-sqrt(5)<x}}}
{{{-sqrt(5)}}}<{{{x}}}<{{{sqrt(5)}}}
y is less than zero from {{{-sqrt(5)}}} to {{{sqrt(5)}}},
or between -2.24 and 2.24. The only choice in that range is 1.
.
ANSWER:1