Implicit differentiation
chain rule is important here
I'll show the steps partially




now evaluate for (-2,2)
x=-2 and y=2



that's it, simplest form
Answer:
(-4.5, 4.25) The first one.
Step-by-step explanation:
Plug in -4.5 in for x and 4.25 for y in BOTH problems. When you plug them in and they both work out for BOTH problems then its the answer.
Total of area of faces so (20*6+20*4+4*6)*2=448 cm ^2
Not enough information given to answer the question.
What is the original size of the poster?
Answer:
4674865
Step-by-step explanation:
47475