Use the table below to evaluate the derivative with respect to x of g of f of 3 times x at x = 1.

x_____1___2___3___4
f(x) 6 1 2 2
f ′(x) 6 1 10 2
g(x) 1 4 4 3
g ′(x) 4 5 7 –4

1 answer

d/dx g(f(3x)) = dg/df * df/dx * 3