A continuous function y = f(x) is defined on [–7, 5]. A(–7, –4), B(–2, 6), C(0, 0), D(1, 6), E(5, –6) are consecutive points on the graph of ‘f’ and AB, BC, CD, DE are line segments. The number of real roots of the equation f[f(x)] = 6 is ___

A continuous function y = f(x) is defined on [–7, 5]. A(–7, –4),

1.	A continuous function y = f(x) is defined on [–7, 5]. A(–7, –4), B(–2, 6), C(0, 0), D(1, 6), E(5, –6) are consecutive points on the graph of ‘f’ and AB, BC, CD, DE are line segments. The number of real roots of the equation f[f(x)] = 6 is ___
Answer» A continuous function y = f(x) is defined on [–7, 5]. A(–7, –4), B(–2, 6), C(0, 0), D(1, 6), E(5, –6) are consecutive points on the graph of ‘f’ and AB, BC, CD, DE are line segments. The number of real roots of the equation f[f(x)] = 6 is ___