Answer:
B
Step-by-step explanation:
25d^2-30d-35d+42=25d^2-65d+42.
Step-by-step explanation: Your answer is in the photo
Answer:
This contradict of the chain rule.
Step-by-step explanation:
The given functions are
It is given that,
According to chin rule,
It means,
is differentiable if f(g(c)) and g(c) is differentiable at x=c.
Here g(x) is not differentiable at x=0 but both compositions are differentiable, which is a contradiction of the chain rule