is there more information
(g o f)(2x)=g(f(2x))
take derivitive
use chain rule
remember
derivitive of g(f(x))=g'(f(x))f'(x)
so
g(f(2x))=g'(f(2x))f'(2x)(2)
at x=1
f(2x)=f(2)=1
g'(1)=1
f'(2x)=f'(2)=1
we get
(1)(1)(2)=2
it is 2
I hope yo udidn't copy the wrong value for f(x) or f'(x)
Answer:
remember its a right angle so 90
Step-by-step explanation: