ANSWER
g'(0.1) = 4
Step-by-step explanation
As stated, g(x) is a composition of two functions: f(x) and 2x. To find its derivative, we have to use the chain rule,
So, the derivative of g(x) = f(2x) is twice the derivative of f(x) and, therefore,
Hence, g'(0.1) = 4.