It's dependent on the context. A book may ask you to find the f'(x) of a function and you may have to use a u sub in your problem which requires you to find the dy/dx of what you substitute. So in this case both would be used.
Answer:
10
Step-by-step explanation:
Answer:
I believe this that it would be 1/3 chances you grab a yellow or a orange
Answer:
1
Step-by-step explanation:
a)2 times 1 and then times 2 become (2+4) then 6 ÷ 6 (because 2 plus 4)