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1.Assume that x and y are both differentiable functions of t and find the required values of dy / dt and dx / dt .
1.Assume thatxandyare both differentiable functions oftand find the required values ofdy/dtanddx/dt.
y=2(x^2+3x)
a. Finddy/dtwhenx=5, given thatdx/dt=5.
b. Finddx/dtwhenx=6, given thatdy/dt=1.
2. Find the rate of change of the distance between the origin and a moving point on the graphy= sin(3x)ifdx/dt=3centimeters per second.
a. LetDbe the distance between the origin and a moving point on the graph ofy= sin3x.
b. Substitutey= sin3xin the formula for distance.D= x2+y2
c. DifferentiateD=x2+ sin23x
with respect totand simplify.
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