Asked by Raj
Assume that x>0 and y>0. If y=5sqrt{x+9} and dx/dt = 2, find dy/dt when x=7.
Answers
Answered by
bobpursley
y= 5sqrt(x+9)
dy/dt=1/2 *5 *1/sqrt(x+9) * dx/dt
put the values in, and find dy/dt
dy/dt=1/2 *5 *1/sqrt(x+9) * dx/dt
put the values in, and find dy/dt
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