Question Function Evaluate the derivative Find the domain Find the h-intercept/zero Load more r′=0 Evaluate r=2×hhSimplify More Steps Evaluate 2×hhSimplify the expression 2×1Any expression multiplied by 1 remains the same 2 r=2Take the derivative of both sides r′=dhd(2)Solution r′=0 Show Solution Solve the equation r=2 Evaluate r=2×hhSolution More Steps Evaluate 2×hhSimplify the expression 2×1Any expression multiplied by 1 remains the same 2 r=2 Show Solution Rewrite the equation x2+y2=4 Evaluate r=2×hhSimplify More Steps Evaluate 2×hhSimplify the expression 2×1Any expression multiplied by 1 remains the same 2 r=2Square both sides of the equation r2=22To covert the equation to rectangular coordinates using conversion formulas,substitute x2+y2 for r2 x2+y2=22Solution x2+y2=4 Show Solution Graph