1.

Let c(f(x)) denote the curvature function of given curve f(x). The value of c(c(f(x))) is observed

A.
B. f(x) = x<sup>3</sup> + x + 1
C. f(x)<sup>2</sup> + y<sup>2</sup> = 23400
D. f(x) = x<sup>19930</sup> + x + 90903
Answer» C. f(x)<sup>2</sup> + y<sup>2</sup> = 23400


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