Express as a product.ln y3
A. ln y ? ln 3
B. y ln 3
C. 3 ln y
D. ln y ? ln y
Answer: C
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Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
C. 
(2x + 7)
D. 
The pH of a solution is given by the formula 
, where 
is the concentration of hydrogen ions in moles per liter in the solution. Use this formula to solve the problem.Lower levels of pH indicate a more acidic solution. If the pH of solution A is 4.2 and the pH of solution B is 6.9, how much more acidic is solution A than solution B?
A. 0.0000630 times as acidic B. 501.2 times as acidic C. 0.00200 times as acidic D. -0.0000630 times as acidic
Solve the problem.The time T in seconds for a pendulum of length L feet to make one swing is given by T = 2?
. How long is a pendulum (to nearest hundredth) if it makes one swing in 1.8 seconds? Use 3.14 for ?.
A. 33.21 ft B. 3.37 ft C. 132.84 ft D. 21.15 ft
Find the product.
A. 30x2 - 2x - 
B. 30x2 + 
x - 
C. 30x2 - 
x + 
D. 30x2 + 
x + 