Question

@myininaya

Answer 1

@sourwing can you please explain?

Answer 2

implicit diffrentiation

Answer 3

cacn you write the steps? im so confused

Answer 4

so d/dt (y) = dy/dt yes?

what is d/dt (x^3) ?

Answer 5

and what is d/dt (2x)

Answer 6

0?

Answer 7

d/dt (x^3) = 3x^2 (dx/dt) , using the chain rule

Answer 8

and d/d(2x) = 2 (dx/dt)

so you have:
dy/dt = 3x^2 (dx/dt) + 2 (dx/dt)

you're given x = 2 and dx/dt = 5. Plug and chug

Answer 9

sorry oopenstudy logged me out

Answer 10

70? @sourwing

Answer 11

yes

Answer 12

thank you!