Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
C. 
D. 
(lnx - ln(x + 3))
Answer: A
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A balloon is leaking air at a constant rate of 5 liters of air per minute. If V is the volume, in liters, of the balloon after t minutes, write an equation of change that is satisfied by V. ?
A. 
B. 
C. 
D. 
Use the graph to complete the identity.sin 3x cos 
x - cos 3x sin 
x = ? 
A. y = sin 
x
B. y = cos 
x
C. y = sin 
x
D. y = cos 
x
Let Q represents a mass of radioactive radium 
(in grams), whose half-life is 1,599 years. The quantity of radium present after t years is 
. Determine the quantity present after 500 years. Round to the nearest hundredth of a gram, if necessary.
a. 0 g b. 0.31 g c. 0.81 g d. 1.61 g e. 2 g
Simplify the expression. Write your answer without negative exponents. Whenever an exponent is negative or zero, assume that the base is not zero.x9 ? x3
A. x27 B. 27x C. 12x D. x12