Question 1126586
Draw a graph of a function with a domain [-10, 10] and range [-2, 2]. There should be at least one interval where the graph is increasing and one interval where the graph is decreasing. 
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Wouldn't this be an ellipse centered at the origin?
{{{x^2/10^2}}} + {{{y^2/2^2}}} = 1
{{{x^2/100}}} + {{{y^2/4}}} = 1
get rid of the denominators, multiply by 100
x^2 + 25y^2 = 100
simplify so y has a coefficient of 1, divide by 25
.04x^2 + y^2 = 4

graphically on ti83. y = +/-{{{sqrt(4-.04x^2)}}}
{{{ graph( 300, 200, -12, 12, -6, 6, sqrt(4-.04*x^2),-sqrt(4-.04*x^2)) }}}