2x dx/dt +2y dy/dt = 0
<span>x dx/dt + y dy/dt = 0 </span>
<span>9*4 + 12 dy/dt = 0 </span>
<span>dy/dt = - 3 ft/sec </span>
Answer:
A
Step-by-step explanation:
Set equation equal to 0

Substitute x = 2 into y = - 6x + 9

Answer : x = 2, y = - 3
Hope this helps. - M
(x²+5)½ + (x²+5)³/²
->(x+√5) +(x³+√125)
->(x+√5)+(x³+5√5)
->x+x³+√5+5√5
->2x³+6√5
->2(x³+3√5)