Question

Assume all variables are implicit functions with respect to time. Find the indicated rate.
y=(9-2x^2)^1/2 given y'=3 when x=2, find x'

Answer 1

\[y'=\frac{-4xx'}{2\sqrt{9-2x^2}}\] is a start

Answer 2

plug in the numbers you know to get the number you want

Answer 3

\[3=-8x'/2\sqrt{1}\] ?

Answer 4

did you really write \(\sqrt{1}\) ?

Answer 5

i mean it is right, but not very helpful

Answer 6

lol sorry its been a long day

Answer 7

thanks i figured it out :)

Answer 8

yw