Please help! URGENT What is limit as x approaches zero of f of f of x closest to? piecewise function consisting of a parabola with vertex at negative 1 comma 1 and y intercept at 2, parabola opens up and continues indefinitely in quadrant 2 but ends with a closed circle at 1 comma 5, function continues at 1 comma 2 with open circle in what appears to be a square root and continues through 2 comma 3 and continuing indefinitely

a. DNE

b. 1

c. 3

d. 5