Question 343355
The square root function requires a non-negative argument.
{{{16-25x^2>=0}}}
{{{16>=25x^2}}}
{{{x^2<=16/25}}}
{{{x<=4/5}}} and {{{x>=-4/5}}}
Domain:({{{-4/5<=x<=4/5}}})
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{{{ymax}}} occurs when {{{x=0}}} and {{{ymax=4}}}
{{{ymin}}} occurs when {{{x=0}}} and {{{ymin=-4}}}
Range:({{{-4<=y<=4}}})