Use properties of logarithms to expand the logarithmic expression as much as possible. Where possible, evaluate logarithmic expressions without using a calculator.ln 
A. 
B. 
ln 
+ 
C. 
ln y + 
D. 4 ln y + 4
Answer: C
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Use the vertical line test to determine if the graph is a function.
A. Yes B. No
Write the function in the form y = f(u) and u = g(x). Then find dy/dx as a function of x.y = tan
A. y = tan u; u = ? - 
; 
= sec2
B. y = tan u; u = ? - 
; 
= 
sec
tan
C. y = tan u; u = ? - 
; 
= 
sec2
D. y = tan u; u = ? - 
; 
= sec2
Find the measure of the unknown angle of the triangle.Find the measure of ?V.
A. 37° B. 140° C. 53° D. 93°
Solve the problem.A chemist has prepared two acid solutions, one of which is 4% acid by volume, another 11% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of 
solution?
A. 46.67 cc of the 4% solution; 3.33 cc of the 11% solution B. 3.33 cc of the 4% solution; 46.67 cc of the 11% solution C. 31 cc of the 4% solution; 19 cc of the 11% solution D. 20 cc of the 4% solution; 20 cc of the 11% solution