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Chain rule with tables

Problem

The following table lists the values of functions f and h, and of their derivatives, f and h, for the x-values 1 and 2.
xf(x)h(x)f(x)h(x)
19156
23116
Let function G be defined as G(x)=f(h(x)).
G(2)=
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
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